Home / 22,664.24-31,276.92-13,712.72

Finding the Fourth Proportional to 22,664.24, 31,276.92 and 13,712.72

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Solution

The fourth proportional to 22,664.24, 31,276.92 and 13,712.72 is: 18,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.24 : 31,276.92 = 13,712.72 : x
  2. Step 2: Convert to fraction form
    22,664.24/31,276.92 = 13,712.72/x
  3. Step 3: Cross multiply
    22,664.24x = 31,276.92 × 13,712.72
  4. Step 4: Simplify right side
    22,664.24x = 428,891,646.42
  5. Step 5: Solve for x
    x = 428,891,646.42/22,664.24
  6. Step 6: Final answer
    x = 18,923.72

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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.