Home / 16,402.40-24,604.36-5,309.95

Finding the Fourth Proportional to 16,402.40, 24,604.36 and 5,309.95

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Solution

The fourth proportional to 16,402.40, 24,604.36 and 5,309.95 is: 7,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.40 : 24,604.36 = 5,309.95 : x
  2. Step 2: Convert to fraction form
    16,402.40/24,604.36 = 5,309.95/x
  3. Step 3: Cross multiply
    16,402.40x = 24,604.36 × 5,309.95
  4. Step 4: Simplify right side
    16,402.40x = 130,647,921.38
  5. Step 5: Solve for x
    x = 130,647,921.38/16,402.40
  6. Step 6: Final answer
    x = 7,965.17

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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.