Home / 26,387.97-39,578.69-9,747.63

Finding the Fourth Proportional to 26,387.97, 39,578.69 and 9,747.63

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Solution

The fourth proportional to 26,387.97, 39,578.69 and 9,747.63 is: 14,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.97 : 39,578.69 = 9,747.63 : x
  2. Step 2: Convert to fraction form
    26,387.97/39,578.69 = 9,747.63/x
  3. Step 3: Cross multiply
    26,387.97x = 39,578.69 × 9,747.63
  4. Step 4: Simplify right side
    26,387.97x = 385,798,426.00
  5. Step 5: Solve for x
    x = 385,798,426.00/26,387.97
  6. Step 6: Final answer
    x = 14,620.24

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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.