Home / 25,633.91-35,377.25-15,560.05

Finding the Fourth Proportional to 25,633.91, 35,377.25 and 15,560.05

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Solution

The fourth proportional to 25,633.91, 35,377.25 and 15,560.05 is: 21,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,633.91 : 35,377.25 = 15,560.05 : x
  2. Step 2: Convert to fraction form
    25,633.91/35,377.25 = 15,560.05/x
  3. Step 3: Cross multiply
    25,633.91x = 35,377.25 × 15,560.05
  4. Step 4: Simplify right side
    25,633.91x = 550,471,778.86
  5. Step 5: Solve for x
    x = 550,471,778.86/25,633.91
  6. Step 6: Final answer
    x = 21,474.36

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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.