Home / 18,472.05-25,479.77-10,512.59

Finding the Fourth Proportional to 18,472.05, 25,479.77 and 10,512.59

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Solution

The fourth proportional to 18,472.05, 25,479.77 and 10,512.59 is: 14,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.05 : 25,479.77 = 10,512.59 : x
  2. Step 2: Convert to fraction form
    18,472.05/25,479.77 = 10,512.59/x
  3. Step 3: Cross multiply
    18,472.05x = 25,479.77 × 10,512.59
  4. Step 4: Simplify right side
    18,472.05x = 267,858,195.34
  5. Step 5: Solve for x
    x = 267,858,195.34/18,472.05
  6. Step 6: Final answer
    x = 14,500.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.