Home / 27,642.20-38,146.14-15,066.95

Finding the Fourth Proportional to 27,642.20, 38,146.14 and 15,066.95

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Solution

The fourth proportional to 27,642.20, 38,146.14 and 15,066.95 is: 20,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.20 : 38,146.14 = 15,066.95 : x
  2. Step 2: Convert to fraction form
    27,642.20/38,146.14 = 15,066.95/x
  3. Step 3: Cross multiply
    27,642.20x = 38,146.14 × 15,066.95
  4. Step 4: Simplify right side
    27,642.20x = 574,745,793.34
  5. Step 5: Solve for x
    x = 574,745,793.34/27,642.20
  6. Step 6: Final answer
    x = 20,792.34

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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.