Home / 25,244.60-37,872.45-7,715.79

Finding the Fourth Proportional to 25,244.60, 37,872.45 and 7,715.79

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Solution

The fourth proportional to 25,244.60, 37,872.45 and 7,715.79 is: 11,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,244.60 : 37,872.45 = 7,715.79 : x
  2. Step 2: Convert to fraction form
    25,244.60/37,872.45 = 7,715.79/x
  3. Step 3: Cross multiply
    25,244.60x = 37,872.45 × 7,715.79
  4. Step 4: Simplify right side
    25,244.60x = 292,215,870.99
  5. Step 5: Solve for x
    x = 292,215,870.99/25,244.60
  6. Step 6: Final answer
    x = 11,575.38

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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.