Home / 22,661.92-31,265.91-13,706.02

Finding the Fourth Proportional to 22,661.92, 31,265.91 and 13,706.02

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Solution

The fourth proportional to 22,661.92, 31,265.91 and 13,706.02 is: 18,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.92 : 31,265.91 = 13,706.02 : x
  2. Step 2: Convert to fraction form
    22,661.92/31,265.91 = 13,706.02/x
  3. Step 3: Cross multiply
    22,661.92x = 31,265.91 × 13,706.02
  4. Step 4: Simplify right side
    22,661.92x = 428,531,187.78
  5. Step 5: Solve for x
    x = 428,531,187.78/22,661.92
  6. Step 6: Final answer
    x = 18,909.75

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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.