Home / 13,851.29-19,116.29-8,545.97

Finding the Fourth Proportional to 13,851.29, 19,116.29 and 8,545.97

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Solution

The fourth proportional to 13,851.29, 19,116.29 and 8,545.97 is: 11,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.29 : 19,116.29 = 8,545.97 : x
  2. Step 2: Convert to fraction form
    13,851.29/19,116.29 = 8,545.97/x
  3. Step 3: Cross multiply
    13,851.29x = 19,116.29 × 8,545.97
  4. Step 4: Simplify right side
    13,851.29x = 163,367,198.12
  5. Step 5: Solve for x
    x = 163,367,198.12/13,851.29
  6. Step 6: Final answer
    x = 11,794.37

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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.