Home / 18,528.52-25,591.80-13,484.74

Finding the Fourth Proportional to 18,528.52, 25,591.80 and 13,484.74

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Solution

The fourth proportional to 18,528.52, 25,591.80 and 13,484.74 is: 18,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.52 : 25,591.80 = 13,484.74 : x
  2. Step 2: Convert to fraction form
    18,528.52/25,591.80 = 13,484.74/x
  3. Step 3: Cross multiply
    18,528.52x = 25,591.80 × 13,484.74
  4. Step 4: Simplify right side
    18,528.52x = 345,098,769.13
  5. Step 5: Solve for x
    x = 345,098,769.13/18,528.52
  6. Step 6: Final answer
    x = 18,625.27

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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.