Home / 16,937.10-25,412.94-8,178.57

Finding the Fourth Proportional to 16,937.10, 25,412.94 and 8,178.57

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Solution

The fourth proportional to 16,937.10, 25,412.94 and 8,178.57 is: 12,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,937.10 : 25,412.94 = 8,178.57 : x
  2. Step 2: Convert to fraction form
    16,937.10/25,412.94 = 8,178.57/x
  3. Step 3: Cross multiply
    16,937.10x = 25,412.94 × 8,178.57
  4. Step 4: Simplify right side
    16,937.10x = 207,841,508.70
  5. Step 5: Solve for x
    x = 207,841,508.70/16,937.10
  6. Step 6: Final answer
    x = 12,271.38

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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.