Home / 25,617.60-38,426.40-10,843.20

Finding the Fourth Proportional to 25,617.60, 38,426.40 and 10,843.20

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Solution

The fourth proportional to 25,617.60, 38,426.40 and 10,843.20 is: 16,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.60 : 38,426.40 = 10,843.20 : x
  2. Step 2: Convert to fraction form
    25,617.60/38,426.40 = 10,843.20/x
  3. Step 3: Cross multiply
    25,617.60x = 38,426.40 × 10,843.20
  4. Step 4: Simplify right side
    25,617.60x = 416,665,140.48
  5. Step 5: Solve for x
    x = 416,665,140.48/25,617.60
  6. Step 6: Final answer
    x = 16,264.80

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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.