Home / 14,821.20-22,229.88-5,586

Finding the Fourth Proportional to 14,821.20, 22,229.88 and 5,586

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Solution

The fourth proportional to 14,821.20, 22,229.88 and 5,586 is: 8,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.20 : 22,229.88 = 5,586 : x
  2. Step 2: Convert to fraction form
    14,821.20/22,229.88 = 5,586/x
  3. Step 3: Cross multiply
    14,821.20x = 22,229.88 × 5,586
  4. Step 4: Simplify right side
    14,821.20x = 124,176,109.68
  5. Step 5: Solve for x
    x = 124,176,109.68/14,821.20
  6. Step 6: Final answer
    x = 8,378.28

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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.