Home / 18,376.47-27,601.16-15,742.96

Finding the Fourth Proportional to 18,376.47, 27,601.16 and 15,742.96

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Solution

The fourth proportional to 18,376.47, 27,601.16 and 15,742.96 is: 23,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.47 : 27,601.16 = 15,742.96 : x
  2. Step 2: Convert to fraction form
    18,376.47/27,601.16 = 15,742.96/x
  3. Step 3: Cross multiply
    18,376.47x = 27,601.16 × 15,742.96
  4. Step 4: Simplify right side
    18,376.47x = 434,523,810.12
  5. Step 5: Solve for x
    x = 434,523,810.12/18,376.47
  6. Step 6: Final answer
    x = 23,645.66

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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.