Home / 13,519.52-18,654.22-7,550.27

Finding the Fourth Proportional to 13,519.52, 18,654.22 and 7,550.27

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Solution

The fourth proportional to 13,519.52, 18,654.22 and 7,550.27 is: 10,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.52 : 18,654.22 = 7,550.27 : x
  2. Step 2: Convert to fraction form
    13,519.52/18,654.22 = 7,550.27/x
  3. Step 3: Cross multiply
    13,519.52x = 18,654.22 × 7,550.27
  4. Step 4: Simplify right side
    13,519.52x = 140,844,397.64
  5. Step 5: Solve for x
    x = 140,844,397.64/13,519.52
  6. Step 6: Final answer
    x = 10,417.85

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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.