Home / 26,760.40-40,146.18-8,039.68

Finding the Fourth Proportional to 26,760.40, 40,146.18 and 8,039.68

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Solution

The fourth proportional to 26,760.40, 40,146.18 and 8,039.68 is: 12,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.40 : 40,146.18 = 8,039.68 : x
  2. Step 2: Convert to fraction form
    26,760.40/40,146.18 = 8,039.68/x
  3. Step 3: Cross multiply
    26,760.40x = 40,146.18 × 8,039.68
  4. Step 4: Simplify right side
    26,760.40x = 322,762,440.42
  5. Step 5: Solve for x
    x = 322,762,440.42/26,760.40
  6. Step 6: Final answer
    x = 12,061.20

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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.