Home / 38,140.17-57,213.95-11,837.85

Finding the Fourth Proportional to 38,140.17, 57,213.95 and 11,837.85

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Solution

The fourth proportional to 38,140.17, 57,213.95 and 11,837.85 is: 17,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.17 : 57,213.95 = 11,837.85 : x
  2. Step 2: Convert to fraction form
    38,140.17/57,213.95 = 11,837.85/x
  3. Step 3: Cross multiply
    38,140.17x = 57,213.95 × 11,837.85
  4. Step 4: Simplify right side
    38,140.17x = 677,289,884.27
  5. Step 5: Solve for x
    x = 677,289,884.27/38,140.17
  6. Step 6: Final answer
    x = 17,757.92

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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.