Home / 55,732.74-83,600.40-13,613.18

Finding the Fourth Proportional to 55,732.74, 83,600.40 and 13,613.18

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Solution

The fourth proportional to 55,732.74, 83,600.40 and 13,613.18 is: 20,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.74 : 83,600.40 = 13,613.18 : x
  2. Step 2: Convert to fraction form
    55,732.74/83,600.40 = 13,613.18/x
  3. Step 3: Cross multiply
    55,732.74x = 83,600.40 × 13,613.18
  4. Step 4: Simplify right side
    55,732.74x = 1,138,067,293.27
  5. Step 5: Solve for x
    x = 1,138,067,293.27/55,732.74
  6. Step 6: Final answer
    x = 20,420.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.