Home / 16,972.28-25,455.11-8,536.53

Finding the Fourth Proportional to 16,972.28, 25,455.11 and 8,536.53

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Solution

The fourth proportional to 16,972.28, 25,455.11 and 8,536.53 is: 12,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.28 : 25,455.11 = 8,536.53 : x
  2. Step 2: Convert to fraction form
    16,972.28/25,455.11 = 8,536.53/x
  3. Step 3: Cross multiply
    16,972.28x = 25,455.11 × 8,536.53
  4. Step 4: Simplify right side
    16,972.28x = 217,298,310.17
  5. Step 5: Solve for x
    x = 217,298,310.17/16,972.28
  6. Step 6: Final answer
    x = 12,803.13

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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.