Home / 36,095.28-54,139.38-11,128.59

Finding the Fourth Proportional to 36,095.28, 54,139.38 and 11,128.59

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Solution

The fourth proportional to 36,095.28, 54,139.38 and 11,128.59 is: 16,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,095.28 : 54,139.38 = 11,128.59 : x
  2. Step 2: Convert to fraction form
    36,095.28/54,139.38 = 11,128.59/x
  3. Step 3: Cross multiply
    36,095.28x = 54,139.38 × 11,128.59
  4. Step 4: Simplify right side
    36,095.28x = 602,494,962.87
  5. Step 5: Solve for x
    x = 602,494,962.87/36,095.28
  6. Step 6: Final answer
    x = 16,691.79

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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.