Home / 26,282.20-39,423.30-10,691.80

Finding the Fourth Proportional to 26,282.20, 39,423.30 and 10,691.80

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Solution

The fourth proportional to 26,282.20, 39,423.30 and 10,691.80 is: 16,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,282.20 : 39,423.30 = 10,691.80 : x
  2. Step 2: Convert to fraction form
    26,282.20/39,423.30 = 10,691.80/x
  3. Step 3: Cross multiply
    26,282.20x = 39,423.30 × 10,691.80
  4. Step 4: Simplify right side
    26,282.20x = 421,506,038.94
  5. Step 5: Solve for x
    x = 421,506,038.94/26,282.20
  6. Step 6: Final answer
    x = 16,037.70

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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.