Home / 25,228.48-37,843.20-10,439.20

Finding the Fourth Proportional to 25,228.48, 37,843.20 and 10,439.20

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Solution

The fourth proportional to 25,228.48, 37,843.20 and 10,439.20 is: 15,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.48 : 37,843.20 = 10,439.20 : x
  2. Step 2: Convert to fraction form
    25,228.48/37,843.20 = 10,439.20/x
  3. Step 3: Cross multiply
    25,228.48x = 37,843.20 × 10,439.20
  4. Step 4: Simplify right side
    25,228.48x = 395,052,733.44
  5. Step 5: Solve for x
    x = 395,052,733.44/25,228.48
  6. Step 6: Final answer
    x = 15,659.00

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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.