Home / 25,546.80-35,250.44-15,985.56

Finding the Fourth Proportional to 25,546.80, 35,250.44 and 15,985.56

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Solution

The fourth proportional to 25,546.80, 35,250.44 and 15,985.56 is: 22,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,546.80 : 35,250.44 = 15,985.56 : x
  2. Step 2: Convert to fraction form
    25,546.80/35,250.44 = 15,985.56/x
  3. Step 3: Cross multiply
    25,546.80x = 35,250.44 × 15,985.56
  4. Step 4: Simplify right side
    25,546.80x = 563,498,023.65
  5. Step 5: Solve for x
    x = 563,498,023.65/25,546.80
  6. Step 6: Final answer
    x = 22,057.48

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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.