Home / 25,486.20-35,171.19-14,873.78

Finding the Fourth Proportional to 25,486.20, 35,171.19 and 14,873.78

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Solution

The fourth proportional to 25,486.20, 35,171.19 and 14,873.78 is: 20,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.20 : 35,171.19 = 14,873.78 : x
  2. Step 2: Convert to fraction form
    25,486.20/35,171.19 = 14,873.78/x
  3. Step 3: Cross multiply
    25,486.20x = 35,171.19 × 14,873.78
  4. Step 4: Simplify right side
    25,486.20x = 523,128,630.33
  5. Step 5: Solve for x
    x = 523,128,630.33/25,486.20
  6. Step 6: Final answer
    x = 20,525.96

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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.