Home / 15,472.53-23,210.96-7,679.25

Finding the Fourth Proportional to 15,472.53, 23,210.96 and 7,679.25

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Solution

The fourth proportional to 15,472.53, 23,210.96 and 7,679.25 is: 11,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.53 : 23,210.96 = 7,679.25 : x
  2. Step 2: Convert to fraction form
    15,472.53/23,210.96 = 7,679.25/x
  3. Step 3: Cross multiply
    15,472.53x = 23,210.96 × 7,679.25
  4. Step 4: Simplify right side
    15,472.53x = 178,242,726.18
  5. Step 5: Solve for x
    x = 178,242,726.18/15,472.53
  6. Step 6: Final answer
    x = 11,519.95

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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.