Home / 15,143.48-22,698.30-7,726.04

Finding the Fourth Proportional to 15,143.48, 22,698.30 and 7,726.04

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Solution

The fourth proportional to 15,143.48, 22,698.30 and 7,726.04 is: 11,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.48 : 22,698.30 = 7,726.04 : x
  2. Step 2: Convert to fraction form
    15,143.48/22,698.30 = 7,726.04/x
  3. Step 3: Cross multiply
    15,143.48x = 22,698.30 × 7,726.04
  4. Step 4: Simplify right side
    15,143.48x = 175,367,973.73
  5. Step 5: Solve for x
    x = 175,367,973.73/15,143.48
  6. Step 6: Final answer
    x = 11,580.43

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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.