Home / 13,159.92-19,741.50-5,367.72

Finding the Fourth Proportional to 13,159.92, 19,741.50 and 5,367.72

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Solution

The fourth proportional to 13,159.92, 19,741.50 and 5,367.72 is: 8,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.92 : 19,741.50 = 5,367.72 : x
  2. Step 2: Convert to fraction form
    13,159.92/19,741.50 = 5,367.72/x
  3. Step 3: Cross multiply
    13,159.92x = 19,741.50 × 5,367.72
  4. Step 4: Simplify right side
    13,159.92x = 105,966,844.38
  5. Step 5: Solve for x
    x = 105,966,844.38/13,159.92
  6. Step 6: Final answer
    x = 8,052.24

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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.