Home / 22,706.40-31,337.56-13,753.64

Finding the Fourth Proportional to 22,706.40, 31,337.56 and 13,753.64

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Solution

The fourth proportional to 22,706.40, 31,337.56 and 13,753.64 is: 18,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,706.40 : 31,337.56 = 13,753.64 : x
  2. Step 2: Convert to fraction form
    22,706.40/31,337.56 = 13,753.64/x
  3. Step 3: Cross multiply
    22,706.40x = 31,337.56 × 13,753.64
  4. Step 4: Simplify right side
    22,706.40x = 431,005,518.72
  5. Step 5: Solve for x
    x = 431,005,518.72/22,706.40
  6. Step 6: Final answer
    x = 18,981.68

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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.