Home / 26,019.68-39,040.65-8,251.79

Finding the Fourth Proportional to 26,019.68, 39,040.65 and 8,251.79

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Solution

The fourth proportional to 26,019.68, 39,040.65 and 8,251.79 is: 12,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.68 : 39,040.65 = 8,251.79 : x
  2. Step 2: Convert to fraction form
    26,019.68/39,040.65 = 8,251.79/x
  3. Step 3: Cross multiply
    26,019.68x = 39,040.65 × 8,251.79
  4. Step 4: Simplify right side
    26,019.68x = 322,155,050.06
  5. Step 5: Solve for x
    x = 322,155,050.06/26,019.68
  6. Step 6: Final answer
    x = 12,381.21

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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.