Home / 26,449.12-39,664.38-10,649.44

Finding the Fourth Proportional to 26,449.12, 39,664.38 and 10,649.44

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Solution

The fourth proportional to 26,449.12, 39,664.38 and 10,649.44 is: 15,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.12 : 39,664.38 = 10,649.44 : x
  2. Step 2: Convert to fraction form
    26,449.12/39,664.38 = 10,649.44/x
  3. Step 3: Cross multiply
    26,449.12x = 39,664.38 × 10,649.44
  4. Step 4: Simplify right side
    26,449.12x = 422,403,434.95
  5. Step 5: Solve for x
    x = 422,403,434.95/26,449.12
  6. Step 6: Final answer
    x = 15,970.42

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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.