Home / 25,149.68-37,731.58-7,380.76

Finding the Fourth Proportional to 25,149.68, 37,731.58 and 7,380.76

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Solution

The fourth proportional to 25,149.68, 37,731.58 and 7,380.76 is: 11,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.68 : 37,731.58 = 7,380.76 : x
  2. Step 2: Convert to fraction form
    25,149.68/37,731.58 = 7,380.76/x
  3. Step 3: Cross multiply
    25,149.68x = 37,731.58 × 7,380.76
  4. Step 4: Simplify right side
    25,149.68x = 278,487,736.40
  5. Step 5: Solve for x
    x = 278,487,736.40/25,149.68
  6. Step 6: Final answer
    x = 11,073.21

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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.