Home / 16,912.20-25,368.12-5,225.52

Finding the Fourth Proportional to 16,912.20, 25,368.12 and 5,225.52

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Solution

The fourth proportional to 16,912.20, 25,368.12 and 5,225.52 is: 7,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.20 : 25,368.12 = 5,225.52 : x
  2. Step 2: Convert to fraction form
    16,912.20/25,368.12 = 5,225.52/x
  3. Step 3: Cross multiply
    16,912.20x = 25,368.12 × 5,225.52
  4. Step 4: Simplify right side
    16,912.20x = 132,561,618.42
  5. Step 5: Solve for x
    x = 132,561,618.42/16,912.20
  6. Step 6: Final answer
    x = 7,838.22

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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.