Home / 18,505.52-25,536.68-11,432.56

Finding the Fourth Proportional to 18,505.52, 25,536.68 and 11,432.56

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Solution

The fourth proportional to 18,505.52, 25,536.68 and 11,432.56 is: 15,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505.52 : 25,536.68 = 11,432.56 : x
  2. Step 2: Convert to fraction form
    18,505.52/25,536.68 = 11,432.56/x
  3. Step 3: Cross multiply
    18,505.52x = 25,536.68 × 11,432.56
  4. Step 4: Simplify right side
    18,505.52x = 291,949,626.30
  5. Step 5: Solve for x
    x = 291,949,626.30/18,505.52
  6. Step 6: Final answer
    x = 15,776.35

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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.