Home / 18,488.52-25,516.80-10,531.48

Finding the Fourth Proportional to 18,488.52, 25,516.80 and 10,531.48

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Solution

The fourth proportional to 18,488.52, 25,516.80 and 10,531.48 is: 14,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.52 : 25,516.80 = 10,531.48 : x
  2. Step 2: Convert to fraction form
    18,488.52/25,516.80 = 10,531.48/x
  3. Step 3: Cross multiply
    18,488.52x = 25,516.80 × 10,531.48
  4. Step 4: Simplify right side
    18,488.52x = 268,729,668.86
  5. Step 5: Solve for x
    x = 268,729,668.86/18,488.52
  6. Step 6: Final answer
    x = 14,534.95

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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.