Home / 25,112.04-37,686.12-20,240.52

Finding the Fourth Proportional to 25,112.04, 37,686.12 and 20,240.52

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Solution

The fourth proportional to 25,112.04, 37,686.12 and 20,240.52 is: 30,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.04 : 37,686.12 = 20,240.52 : x
  2. Step 2: Convert to fraction form
    25,112.04/37,686.12 = 20,240.52/x
  3. Step 3: Cross multiply
    25,112.04x = 37,686.12 × 20,240.52
  4. Step 4: Simplify right side
    25,112.04x = 762,786,665.58
  5. Step 5: Solve for x
    x = 762,786,665.58/25,112.04
  6. Step 6: Final answer
    x = 30,375.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.