Home / 18,542.39-27,808.07-9,772.52

Finding the Fourth Proportional to 18,542.39, 27,808.07 and 9,772.52

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Solution

The fourth proportional to 18,542.39, 27,808.07 and 9,772.52 is: 14,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.39 : 27,808.07 = 9,772.52 : x
  2. Step 2: Convert to fraction form
    18,542.39/27,808.07 = 9,772.52/x
  3. Step 3: Cross multiply
    18,542.39x = 27,808.07 × 9,772.52
  4. Step 4: Simplify right side
    18,542.39x = 271,754,732.33
  5. Step 5: Solve for x
    x = 271,754,732.33/18,542.39
  6. Step 6: Final answer
    x = 14,655.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.