Home / 16,809.53-25,205.18-5,711.72

Finding the Fourth Proportional to 16,809.53, 25,205.18 and 5,711.72

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Solution

The fourth proportional to 16,809.53, 25,205.18 and 5,711.72 is: 8,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.53 : 25,205.18 = 5,711.72 : x
  2. Step 2: Convert to fraction form
    16,809.53/25,205.18 = 5,711.72/x
  3. Step 3: Cross multiply
    16,809.53x = 25,205.18 × 5,711.72
  4. Step 4: Simplify right side
    16,809.53x = 143,964,776.13
  5. Step 5: Solve for x
    x = 143,964,776.13/16,809.53
  6. Step 6: Final answer
    x = 8,564.48

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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.