Home / 26,079.83-39,122.78-9,447.69

Finding the Fourth Proportional to 26,079.83, 39,122.78 and 9,447.69

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Solution

The fourth proportional to 26,079.83, 39,122.78 and 9,447.69 is: 14,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.83 : 39,122.78 = 9,447.69 : x
  2. Step 2: Convert to fraction form
    26,079.83/39,122.78 = 9,447.69/x
  3. Step 3: Cross multiply
    26,079.83x = 39,122.78 × 9,447.69
  4. Step 4: Simplify right side
    26,079.83x = 369,619,850.14
  5. Step 5: Solve for x
    x = 369,619,850.14/26,079.83
  6. Step 6: Final answer
    x = 14,172.64

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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.