Home / 22,614.91-31,204.54-13,656.41

Finding the Fourth Proportional to 22,614.91, 31,204.54 and 13,656.41

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Solution

The fourth proportional to 22,614.91, 31,204.54 and 13,656.41 is: 18,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614.91 : 31,204.54 = 13,656.41 : x
  2. Step 2: Convert to fraction form
    22,614.91/31,204.54 = 13,656.41/x
  3. Step 3: Cross multiply
    22,614.91x = 31,204.54 × 13,656.41
  4. Step 4: Simplify right side
    22,614.91x = 426,142,035.97
  5. Step 5: Solve for x
    x = 426,142,035.97/22,614.91
  6. Step 6: Final answer
    x = 18,843.41

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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.