Home / 26,192.72-39,292.70-8,423.88

Finding the Fourth Proportional to 26,192.72, 39,292.70 and 8,423.88

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Solution

The fourth proportional to 26,192.72, 39,292.70 and 8,423.88 is: 12,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,192.72 : 39,292.70 = 8,423.88 : x
  2. Step 2: Convert to fraction form
    26,192.72/39,292.70 = 8,423.88/x
  3. Step 3: Cross multiply
    26,192.72x = 39,292.70 × 8,423.88
  4. Step 4: Simplify right side
    26,192.72x = 330,996,947.56
  5. Step 5: Solve for x
    x = 330,996,947.56/26,192.72
  6. Step 6: Final answer
    x = 12,636.99

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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.