Home / 16,124.20-24,186.30-13,791.40

Finding the Fourth Proportional to 16,124.20, 24,186.30 and 13,791.40

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Solution

The fourth proportional to 16,124.20, 24,186.30 and 13,791.40 is: 20,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,124.20 : 24,186.30 = 13,791.40 : x
  2. Step 2: Convert to fraction form
    16,124.20/24,186.30 = 13,791.40/x
  3. Step 3: Cross multiply
    16,124.20x = 24,186.30 × 13,791.40
  4. Step 4: Simplify right side
    16,124.20x = 333,562,937.82
  5. Step 5: Solve for x
    x = 333,562,937.82/16,124.20
  6. Step 6: Final answer
    x = 20,687.10

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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.