Home / 16,861.18-25,320.46-16,155.86

Finding the Fourth Proportional to 16,861.18, 25,320.46 and 16,155.86

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Solution

The fourth proportional to 16,861.18, 25,320.46 and 16,155.86 is: 24,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.18 : 25,320.46 = 16,155.86 : x
  2. Step 2: Convert to fraction form
    16,861.18/25,320.46 = 16,155.86/x
  3. Step 3: Cross multiply
    16,861.18x = 25,320.46 × 16,155.86
  4. Step 4: Simplify right side
    16,861.18x = 409,073,806.90
  5. Step 5: Solve for x
    x = 409,073,806.90/16,861.18
  6. Step 6: Final answer
    x = 24,261.28

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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.