Home / 13,148.64-19,711.62-6,577.92

Finding the Fourth Proportional to 13,148.64, 19,711.62 and 6,577.92

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Solution

The fourth proportional to 13,148.64, 19,711.62 and 6,577.92 is: 9,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.64 : 19,711.62 = 6,577.92 : x
  2. Step 2: Convert to fraction form
    13,148.64/19,711.62 = 6,577.92/x
  3. Step 3: Cross multiply
    13,148.64x = 19,711.62 × 6,577.92
  4. Step 4: Simplify right side
    13,148.64x = 129,661,459.43
  5. Step 5: Solve for x
    x = 129,661,459.43/13,148.64
  6. Step 6: Final answer
    x = 9,861.21

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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.