Home / 16,087.20-24,155.04-13,138.80

Finding the Fourth Proportional to 16,087.20, 24,155.04 and 13,138.80

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Solution

The fourth proportional to 16,087.20, 24,155.04 and 13,138.80 is: 19,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,087.20 : 24,155.04 = 13,138.80 : x
  2. Step 2: Convert to fraction form
    16,087.20/24,155.04 = 13,138.80/x
  3. Step 3: Cross multiply
    16,087.20x = 24,155.04 × 13,138.80
  4. Step 4: Simplify right side
    16,087.20x = 317,368,239.55
  5. Step 5: Solve for x
    x = 317,368,239.55/16,087.20
  6. Step 6: Final answer
    x = 19,728.00

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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.