Home / 14,909.18-22,363.61-3,815.78

Finding the Fourth Proportional to 14,909.18, 22,363.61 and 3,815.78

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Solution

The fourth proportional to 14,909.18, 22,363.61 and 3,815.78 is: 5,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.18 : 22,363.61 = 3,815.78 : x
  2. Step 2: Convert to fraction form
    14,909.18/22,363.61 = 3,815.78/x
  3. Step 3: Cross multiply
    14,909.18x = 22,363.61 × 3,815.78
  4. Step 4: Simplify right side
    14,909.18x = 85,334,484.87
  5. Step 5: Solve for x
    x = 85,334,484.87/14,909.18
  6. Step 6: Final answer
    x = 5,723.62

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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.