Home / 26,720.25-40,080.93-8,252.25

Finding the Fourth Proportional to 26,720.25, 40,080.93 and 8,252.25

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Solution

The fourth proportional to 26,720.25, 40,080.93 and 8,252.25 is: 12,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.25 : 40,080.93 = 8,252.25 : x
  2. Step 2: Convert to fraction form
    26,720.25/40,080.93 = 8,252.25/x
  3. Step 3: Cross multiply
    26,720.25x = 40,080.93 × 8,252.25
  4. Step 4: Simplify right side
    26,720.25x = 330,757,854.59
  5. Step 5: Solve for x
    x = 330,757,854.59/26,720.25
  6. Step 6: Final answer
    x = 12,378.55

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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.