Home / 18,567.57-27,851.49-8,717.97

Finding the Fourth Proportional to 18,567.57, 27,851.49 and 8,717.97

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Solution

The fourth proportional to 18,567.57, 27,851.49 and 8,717.97 is: 13,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.57 : 27,851.49 = 8,717.97 : x
  2. Step 2: Convert to fraction form
    18,567.57/27,851.49 = 8,717.97/x
  3. Step 3: Cross multiply
    18,567.57x = 27,851.49 × 8,717.97
  4. Step 4: Simplify right side
    18,567.57x = 242,808,454.28
  5. Step 5: Solve for x
    x = 242,808,454.28/18,567.57
  6. Step 6: Final answer
    x = 13,077.02

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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.