Home / 26,007.87-39,017.66-8,239.61

Finding the Fourth Proportional to 26,007.87, 39,017.66 and 8,239.61

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Solution

The fourth proportional to 26,007.87, 39,017.66 and 8,239.61 is: 12,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,007.87 : 39,017.66 = 8,239.61 : x
  2. Step 2: Convert to fraction form
    26,007.87/39,017.66 = 8,239.61/x
  3. Step 3: Cross multiply
    26,007.87x = 39,017.66 × 8,239.61
  4. Step 4: Simplify right side
    26,007.87x = 321,490,127.02
  5. Step 5: Solve for x
    x = 321,490,127.02/26,007.87
  6. Step 6: Final answer
    x = 12,361.26

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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.