Home / 22,215.24-30,657.06-12,279.24

Finding the Fourth Proportional to 22,215.24, 30,657.06 and 12,279.24

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Solution

The fourth proportional to 22,215.24, 30,657.06 and 12,279.24 is: 16,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.24 : 30,657.06 = 12,279.24 : x
  2. Step 2: Convert to fraction form
    22,215.24/30,657.06 = 12,279.24/x
  3. Step 3: Cross multiply
    22,215.24x = 30,657.06 × 12,279.24
  4. Step 4: Simplify right side
    22,215.24x = 376,445,397.43
  5. Step 5: Solve for x
    x = 376,445,397.43/22,215.24
  6. Step 6: Final answer
    x = 16,945.37

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Half scale
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Double scale
Find fourth proportional to 22,216.24, 30,658.44 and 12,280.24
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.