Home / 25,228.62-37,820.28-10,428.06

Finding the Fourth Proportional to 25,228.62, 37,820.28 and 10,428.06

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Solution

The fourth proportional to 25,228.62, 37,820.28 and 10,428.06 is: 15,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.62 : 37,820.28 = 10,428.06 : x
  2. Step 2: Convert to fraction form
    25,228.62/37,820.28 = 10,428.06/x
  3. Step 3: Cross multiply
    25,228.62x = 37,820.28 × 10,428.06
  4. Step 4: Simplify right side
    25,228.62x = 394,392,149.06
  5. Step 5: Solve for x
    x = 394,392,149.06/25,228.62
  6. Step 6: Final answer
    x = 15,632.73

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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.