Home / 22,664.38-31,278.94-13,714.08

Finding the Fourth Proportional to 22,664.38, 31,278.94 and 13,714.08

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Solution

The fourth proportional to 22,664.38, 31,278.94 and 13,714.08 is: 18,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.38 : 31,278.94 = 13,714.08 : x
  2. Step 2: Convert to fraction form
    22,664.38/31,278.94 = 13,714.08/x
  3. Step 3: Cross multiply
    22,664.38x = 31,278.94 × 13,714.08
  4. Step 4: Simplify right side
    22,664.38x = 428,961,885.48
  5. Step 5: Solve for x
    x = 428,961,885.48/22,664.38
  6. Step 6: Final answer
    x = 18,926.70

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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.