Home / 13,049.96-19,572.47-3,689.90

Finding the Fourth Proportional to 13,049.96, 19,572.47 and 3,689.90

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Solution

The fourth proportional to 13,049.96, 19,572.47 and 3,689.90 is: 5,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.96 : 19,572.47 = 3,689.90 : x
  2. Step 2: Convert to fraction form
    13,049.96/19,572.47 = 3,689.90/x
  3. Step 3: Cross multiply
    13,049.96x = 19,572.47 × 3,689.90
  4. Step 4: Simplify right side
    13,049.96x = 72,220,487.53
  5. Step 5: Solve for x
    x = 72,220,487.53/13,049.96
  6. Step 6: Final answer
    x = 5,534.16

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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.