Home / 22,679.71-31,294.56-12,608.23

Finding the Fourth Proportional to 22,679.71, 31,294.56 and 12,608.23

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Solution

The fourth proportional to 22,679.71, 31,294.56 and 12,608.23 is: 17,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.71 : 31,294.56 = 12,608.23 : x
  2. Step 2: Convert to fraction form
    22,679.71/31,294.56 = 12,608.23/x
  3. Step 3: Cross multiply
    22,679.71x = 31,294.56 × 12,608.23
  4. Step 4: Simplify right side
    22,679.71x = 394,569,010.23
  5. Step 5: Solve for x
    x = 394,569,010.23/22,679.71
  6. Step 6: Final answer
    x = 17,397.45

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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.