Home / 48,251.20-72,376.80-13,194.40

Finding the Fourth Proportional to 48,251.20, 72,376.80 and 13,194.40

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Solution

The fourth proportional to 48,251.20, 72,376.80 and 13,194.40 is: 19,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,251.20 : 72,376.80 = 13,194.40 : x
  2. Step 2: Convert to fraction form
    48,251.20/72,376.80 = 13,194.40/x
  3. Step 3: Cross multiply
    48,251.20x = 72,376.80 × 13,194.40
  4. Step 4: Simplify right side
    48,251.20x = 954,968,449.92
  5. Step 5: Solve for x
    x = 954,968,449.92/48,251.20
  6. Step 6: Final answer
    x = 19,791.60

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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.