Home / 22,117.80-30,522.32-12,046.21

Finding the Fourth Proportional to 22,117.80, 30,522.32 and 12,046.21

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Solution

The fourth proportional to 22,117.80, 30,522.32 and 12,046.21 is: 16,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.80 : 30,522.32 = 12,046.21 : x
  2. Step 2: Convert to fraction form
    22,117.80/30,522.32 = 12,046.21/x
  3. Step 3: Cross multiply
    22,117.80x = 30,522.32 × 12,046.21
  4. Step 4: Simplify right side
    22,117.80x = 367,678,335.27
  5. Step 5: Solve for x
    x = 367,678,335.27/22,117.80
  6. Step 6: Final answer
    x = 16,623.64

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Half scale
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Double scale
Find fourth proportional to 22,118.80, 30,523.70 and 12,047.21
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.