Home / 27,641.10-38,144.84-15,065.86

Finding the Fourth Proportional to 27,641.10, 38,144.84 and 15,065.86

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Solution

The fourth proportional to 27,641.10, 38,144.84 and 15,065.86 is: 20,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.10 : 38,144.84 = 15,065.86 : x
  2. Step 2: Convert to fraction form
    27,641.10/38,144.84 = 15,065.86/x
  3. Step 3: Cross multiply
    27,641.10x = 38,144.84 × 15,065.86
  4. Step 4: Simplify right side
    27,641.10x = 574,684,819.16
  5. Step 5: Solve for x
    x = 574,684,819.16/27,641.10
  6. Step 6: Final answer
    x = 20,790.95

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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.