Home / 26,205.05-36,162.15-14,268.31

Finding the Fourth Proportional to 26,205.05, 36,162.15 and 14,268.31

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Solution

The fourth proportional to 26,205.05, 36,162.15 and 14,268.31 is: 19,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,205.05 : 36,162.15 = 14,268.31 : x
  2. Step 2: Convert to fraction form
    26,205.05/36,162.15 = 14,268.31/x
  3. Step 3: Cross multiply
    26,205.05x = 36,162.15 × 14,268.31
  4. Step 4: Simplify right side
    26,205.05x = 515,972,766.47
  5. Step 5: Solve for x
    x = 515,972,766.47/26,205.05
  6. Step 6: Final answer
    x = 19,689.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.