Home / 14,781.16-22,183.02-5,430.04

Finding the Fourth Proportional to 14,781.16, 22,183.02 and 5,430.04

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Solution

The fourth proportional to 14,781.16, 22,183.02 and 5,430.04 is: 8,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.16 : 22,183.02 = 5,430.04 : x
  2. Step 2: Convert to fraction form
    14,781.16/22,183.02 = 5,430.04/x
  3. Step 3: Cross multiply
    14,781.16x = 22,183.02 × 5,430.04
  4. Step 4: Simplify right side
    14,781.16x = 120,454,685.92
  5. Step 5: Solve for x
    x = 120,454,685.92/14,781.16
  6. Step 6: Final answer
    x = 8,149.20

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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.