Home / 18,387.10-27,587.33-9,026.13

Finding the Fourth Proportional to 18,387.10, 27,587.33 and 9,026.13

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Solution

The fourth proportional to 18,387.10, 27,587.33 and 9,026.13 is: 13,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.10 : 27,587.33 = 9,026.13 : x
  2. Step 2: Convert to fraction form
    18,387.10/27,587.33 = 9,026.13/x
  3. Step 3: Cross multiply
    18,387.10x = 27,587.33 × 9,026.13
  4. Step 4: Simplify right side
    18,387.10x = 249,006,781.80
  5. Step 5: Solve for x
    x = 249,006,781.80/18,387.10
  6. Step 6: Final answer
    x = 13,542.48

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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.