Home / 25,148.20-37,715.10-7,613.80

Finding the Fourth Proportional to 25,148.20, 37,715.10 and 7,613.80

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Solution

The fourth proportional to 25,148.20, 37,715.10 and 7,613.80 is: 11,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.20 : 37,715.10 = 7,613.80 : x
  2. Step 2: Convert to fraction form
    25,148.20/37,715.10 = 7,613.80/x
  3. Step 3: Cross multiply
    25,148.20x = 37,715.10 × 7,613.80
  4. Step 4: Simplify right side
    25,148.20x = 287,155,228.38
  5. Step 5: Solve for x
    x = 287,155,228.38/25,148.20
  6. Step 6: Final answer
    x = 11,418.52

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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.