Home / 22,948.92-31,665.64-13,519.36

Finding the Fourth Proportional to 22,948.92, 31,665.64 and 13,519.36

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Solution

The fourth proportional to 22,948.92, 31,665.64 and 13,519.36 is: 18,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.92 : 31,665.64 = 13,519.36 : x
  2. Step 2: Convert to fraction form
    22,948.92/31,665.64 = 13,519.36/x
  3. Step 3: Cross multiply
    22,948.92x = 31,665.64 × 13,519.36
  4. Step 4: Simplify right side
    22,948.92x = 428,099,186.79
  5. Step 5: Solve for x
    x = 428,099,186.79/22,948.92
  6. Step 6: Final answer
    x = 18,654.44

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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.