Home / 16,731.60-25,095.64-6,871.92

Finding the Fourth Proportional to 16,731.60, 25,095.64 and 6,871.92

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Solution

The fourth proportional to 16,731.60, 25,095.64 and 6,871.92 is: 10,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.60 : 25,095.64 = 6,871.92 : x
  2. Step 2: Convert to fraction form
    16,731.60/25,095.64 = 6,871.92/x
  3. Step 3: Cross multiply
    16,731.60x = 25,095.64 × 6,871.92
  4. Step 4: Simplify right side
    16,731.60x = 172,455,230.43
  5. Step 5: Solve for x
    x = 172,455,230.43/16,731.60
  6. Step 6: Final answer
    x = 10,307.16

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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.