Home / 26,401.78-39,598.44-8,632.30

Finding the Fourth Proportional to 26,401.78, 39,598.44 and 8,632.30

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Solution

The fourth proportional to 26,401.78, 39,598.44 and 8,632.30 is: 12,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.78 : 39,598.44 = 8,632.30 : x
  2. Step 2: Convert to fraction form
    26,401.78/39,598.44 = 8,632.30/x
  3. Step 3: Cross multiply
    26,401.78x = 39,598.44 × 8,632.30
  4. Step 4: Simplify right side
    26,401.78x = 341,825,613.61
  5. Step 5: Solve for x
    x = 341,825,613.61/26,401.78
  6. Step 6: Final answer
    x = 12,947.07

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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.