Home / 14,614.28-21,927.18-5,381

Finding the Fourth Proportional to 14,614.28, 21,927.18 and 5,381

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Solution

The fourth proportional to 14,614.28, 21,927.18 and 5,381 is: 8,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.28 : 21,927.18 = 5,381 : x
  2. Step 2: Convert to fraction form
    14,614.28/21,927.18 = 5,381/x
  3. Step 3: Cross multiply
    14,614.28x = 21,927.18 × 5,381
  4. Step 4: Simplify right side
    14,614.28x = 117,990,155.58
  5. Step 5: Solve for x
    x = 117,990,155.58/14,614.28
  6. Step 6: Final answer
    x = 8,073.62

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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.