Home / 16,766.28-25,155.09-10,530.90

Finding the Fourth Proportional to 16,766.28, 25,155.09 and 10,530.90

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Solution

The fourth proportional to 16,766.28, 25,155.09 and 10,530.90 is: 15,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.28 : 25,155.09 = 10,530.90 : x
  2. Step 2: Convert to fraction form
    16,766.28/25,155.09 = 10,530.90/x
  3. Step 3: Cross multiply
    16,766.28x = 25,155.09 × 10,530.90
  4. Step 4: Simplify right side
    16,766.28x = 264,905,737.28
  5. Step 5: Solve for x
    x = 264,905,737.28/16,766.28
  6. Step 6: Final answer
    x = 15,799.91

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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.