Home / 27,451.59-37,882.20-15,514.68

Finding the Fourth Proportional to 27,451.59, 37,882.20 and 15,514.68

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Solution

The fourth proportional to 27,451.59, 37,882.20 and 15,514.68 is: 21,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.59 : 37,882.20 = 15,514.68 : x
  2. Step 2: Convert to fraction form
    27,451.59/37,882.20 = 15,514.68/x
  3. Step 3: Cross multiply
    27,451.59x = 37,882.20 × 15,514.68
  4. Step 4: Simplify right side
    27,451.59x = 587,730,210.70
  5. Step 5: Solve for x
    x = 587,730,210.70/27,451.59
  6. Step 6: Final answer
    x = 21,409.70

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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.