Home / 25,502.58-38,247.80-10,711.78

Finding the Fourth Proportional to 25,502.58, 38,247.80 and 10,711.78

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Solution

The fourth proportional to 25,502.58, 38,247.80 and 10,711.78 is: 16,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,502.58 : 38,247.80 = 10,711.78 : x
  2. Step 2: Convert to fraction form
    25,502.58/38,247.80 = 10,711.78/x
  3. Step 3: Cross multiply
    25,502.58x = 38,247.80 × 10,711.78
  4. Step 4: Simplify right side
    25,502.58x = 409,701,869.91
  5. Step 5: Solve for x
    x = 409,701,869.91/25,502.58
  6. Step 6: Final answer
    x = 16,065.11

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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.