Home / 27,191.44-40,776.18-10,542.70

Finding the Fourth Proportional to 27,191.44, 40,776.18 and 10,542.70

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Solution

The fourth proportional to 27,191.44, 40,776.18 and 10,542.70 is: 15,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.44 : 40,776.18 = 10,542.70 : x
  2. Step 2: Convert to fraction form
    27,191.44/40,776.18 = 10,542.70/x
  3. Step 3: Cross multiply
    27,191.44x = 40,776.18 × 10,542.70
  4. Step 4: Simplify right side
    27,191.44x = 429,891,032.89
  5. Step 5: Solve for x
    x = 429,891,032.89/27,191.44
  6. Step 6: Final answer
    x = 15,809.79

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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.