Home / 25,769.24-35,633.14-20,454.84

Finding the Fourth Proportional to 25,769.24, 35,633.14 and 20,454.84

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Solution

The fourth proportional to 25,769.24, 35,633.14 and 20,454.84 is: 28,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.24 : 35,633.14 = 20,454.84 : x
  2. Step 2: Convert to fraction form
    25,769.24/35,633.14 = 20,454.84/x
  3. Step 3: Cross multiply
    25,769.24x = 35,633.14 × 20,454.84
  4. Step 4: Simplify right side
    25,769.24x = 728,870,177.40
  5. Step 5: Solve for x
    x = 728,870,177.40/25,769.24
  6. Step 6: Final answer
    x = 28,284.50

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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.