Home / 22,790.16-31,449.60-13,224.06

Finding the Fourth Proportional to 22,790.16, 31,449.60 and 13,224.06

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Solution

The fourth proportional to 22,790.16, 31,449.60 and 13,224.06 is: 18,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.16 : 31,449.60 = 13,224.06 : x
  2. Step 2: Convert to fraction form
    22,790.16/31,449.60 = 13,224.06/x
  3. Step 3: Cross multiply
    22,790.16x = 31,449.60 × 13,224.06
  4. Step 4: Simplify right side
    22,790.16x = 415,891,397.38
  5. Step 5: Solve for x
    x = 415,891,397.38/22,790.16
  6. Step 6: Final answer
    x = 18,248.73

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Half scale
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Double scale
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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.