Home / 25,634.64-35,385.36-15,027.72

Finding the Fourth Proportional to 25,634.64, 35,385.36 and 15,027.72

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Solution

The fourth proportional to 25,634.64, 35,385.36 and 15,027.72 is: 20,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.64 : 35,385.36 = 15,027.72 : x
  2. Step 2: Convert to fraction form
    25,634.64/35,385.36 = 15,027.72/x
  3. Step 3: Cross multiply
    25,634.64x = 35,385.36 × 15,027.72
  4. Step 4: Simplify right side
    25,634.64x = 531,761,282.18
  5. Step 5: Solve for x
    x = 531,761,282.18/25,634.64
  6. Step 6: Final answer
    x = 20,743.86

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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.