Home / 22,704.72-31,337.28-13,274.16

Finding the Fourth Proportional to 22,704.72, 31,337.28 and 13,274.16

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Solution

The fourth proportional to 22,704.72, 31,337.28 and 13,274.16 is: 18,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.72 : 31,337.28 = 13,274.16 : x
  2. Step 2: Convert to fraction form
    22,704.72/31,337.28 = 13,274.16/x
  3. Step 3: Cross multiply
    22,704.72x = 31,337.28 × 13,274.16
  4. Step 4: Simplify right side
    22,704.72x = 415,976,068.68
  5. Step 5: Solve for x
    x = 415,976,068.68/22,704.72
  6. Step 6: Final answer
    x = 18,321.13

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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.