Home / 16,808.50-25,216.52-5,122.64

Finding the Fourth Proportional to 16,808.50, 25,216.52 and 5,122.64

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Solution

The fourth proportional to 16,808.50, 25,216.52 and 5,122.64 is: 7,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.50 : 25,216.52 = 5,122.64 : x
  2. Step 2: Convert to fraction form
    16,808.50/25,216.52 = 5,122.64/x
  3. Step 3: Cross multiply
    16,808.50x = 25,216.52 × 5,122.64
  4. Step 4: Simplify right side
    16,808.50x = 129,175,154.01
  5. Step 5: Solve for x
    x = 129,175,154.01/16,808.50
  6. Step 6: Final answer
    x = 7,685.11

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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.