Home / 25,621.92-38,422.08-10,830.24

Finding the Fourth Proportional to 25,621.92, 38,422.08 and 10,830.24

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Solution

The fourth proportional to 25,621.92, 38,422.08 and 10,830.24 is: 16,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.92 : 38,422.08 = 10,830.24 : x
  2. Step 2: Convert to fraction form
    25,621.92/38,422.08 = 10,830.24/x
  3. Step 3: Cross multiply
    25,621.92x = 38,422.08 × 10,830.24
  4. Step 4: Simplify right side
    25,621.92x = 416,120,347.70
  5. Step 5: Solve for x
    x = 416,120,347.70/25,621.92
  6. Step 6: Final answer
    x = 16,240.79

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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.