Home / 17,695.49-26,545.14-5,215.61

Finding the Fourth Proportional to 17,695.49, 26,545.14 and 5,215.61

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Solution

The fourth proportional to 17,695.49, 26,545.14 and 5,215.61 is: 7,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.49 : 26,545.14 = 5,215.61 : x
  2. Step 2: Convert to fraction form
    17,695.49/26,545.14 = 5,215.61/x
  3. Step 3: Cross multiply
    17,695.49x = 26,545.14 × 5,215.61
  4. Step 4: Simplify right side
    17,695.49x = 138,448,964.91
  5. Step 5: Solve for x
    x = 138,448,964.91/17,695.49
  6. Step 6: Final answer
    x = 7,823.97

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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.