Home / 22,117.22-30,520.53-12,554.57

Finding the Fourth Proportional to 22,117.22, 30,520.53 and 12,554.57

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Solution

The fourth proportional to 22,117.22, 30,520.53 and 12,554.57 is: 17,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.22 : 30,520.53 = 12,554.57 : x
  2. Step 2: Convert to fraction form
    22,117.22/30,520.53 = 12,554.57/x
  3. Step 3: Cross multiply
    22,117.22x = 30,520.53 × 12,554.57
  4. Step 4: Simplify right side
    22,117.22x = 383,172,130.32
  5. Step 5: Solve for x
    x = 383,172,130.32/22,117.22
  6. Step 6: Final answer
    x = 17,324.61

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Find fourth proportional to 11,058.61, 15,260.27 and 6,277.29
Half scale
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Double scale
Find fourth proportional to 22,118.22, 30,521.91 and 12,555.57
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.