Home / 16,143.05-24,213.91-5,615.46

Finding the Fourth Proportional to 16,143.05, 24,213.91 and 5,615.46

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Solution

The fourth proportional to 16,143.05, 24,213.91 and 5,615.46 is: 8,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.05 : 24,213.91 = 5,615.46 : x
  2. Step 2: Convert to fraction form
    16,143.05/24,213.91 = 5,615.46/x
  3. Step 3: Cross multiply
    16,143.05x = 24,213.91 × 5,615.46
  4. Step 4: Simplify right side
    16,143.05x = 135,972,153.18
  5. Step 5: Solve for x
    x = 135,972,153.18/16,143.05
  6. Step 6: Final answer
    x = 8,422.95

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1.5x scale

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.