Home / 24,579.20-36,859.80-7,943.60

Finding the Fourth Proportional to 24,579.20, 36,859.80 and 7,943.60

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Solution

The fourth proportional to 24,579.20, 36,859.80 and 7,943.60 is: 11,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,579.20 : 36,859.80 = 7,943.60 : x
  2. Step 2: Convert to fraction form
    24,579.20/36,859.80 = 7,943.60/x
  3. Step 3: Cross multiply
    24,579.20x = 36,859.80 × 7,943.60
  4. Step 4: Simplify right side
    24,579.20x = 292,799,507.28
  5. Step 5: Solve for x
    x = 292,799,507.28/24,579.20
  6. Step 6: Final answer
    x = 11,912.49

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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.