Home / 16,819.80-25,233.40-5,133.92

Finding the Fourth Proportional to 16,819.80, 25,233.40 and 5,133.92

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Solution

The fourth proportional to 16,819.80, 25,233.40 and 5,133.92 is: 7,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.80 : 25,233.40 = 5,133.92 : x
  2. Step 2: Convert to fraction form
    16,819.80/25,233.40 = 5,133.92/x
  3. Step 3: Cross multiply
    16,819.80x = 25,233.40 × 5,133.92
  4. Step 4: Simplify right side
    16,819.80x = 129,546,256.93
  5. Step 5: Solve for x
    x = 129,546,256.93/16,819.80
  6. Step 6: Final answer
    x = 7,702.01

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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.