Home / 15,643.18-23,472.37-6,876.96

Finding the Fourth Proportional to 15,643.18, 23,472.37 and 6,876.96

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Solution

The fourth proportional to 15,643.18, 23,472.37 and 6,876.96 is: 10,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.18 : 23,472.37 = 6,876.96 : x
  2. Step 2: Convert to fraction form
    15,643.18/23,472.37 = 6,876.96/x
  3. Step 3: Cross multiply
    15,643.18x = 23,472.37 × 6,876.96
  4. Step 4: Simplify right side
    15,643.18x = 161,418,549.60
  5. Step 5: Solve for x
    x = 161,418,549.60/15,643.18
  6. Step 6: Final answer
    x = 10,318.78

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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.