Home / 48,928.13-73,392.19-11,992.13

Finding the Fourth Proportional to 48,928.13, 73,392.19 and 11,992.13

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Solution

The fourth proportional to 48,928.13, 73,392.19 and 11,992.13 is: 17,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,928.13 : 73,392.19 = 11,992.13 : x
  2. Step 2: Convert to fraction form
    48,928.13/73,392.19 = 11,992.13/x
  3. Step 3: Cross multiply
    48,928.13x = 73,392.19 × 11,992.13
  4. Step 4: Simplify right side
    48,928.13x = 880,128,286.52
  5. Step 5: Solve for x
    x = 880,128,286.52/48,928.13
  6. Step 6: Final answer
    x = 17,988.19

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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.