Home / 18,078.06-24,947.48-10,120.28

Finding the Fourth Proportional to 18,078.06, 24,947.48 and 10,120.28

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Solution

The fourth proportional to 18,078.06, 24,947.48 and 10,120.28 is: 13,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.06 : 24,947.48 = 10,120.28 : x
  2. Step 2: Convert to fraction form
    18,078.06/24,947.48 = 10,120.28/x
  3. Step 3: Cross multiply
    18,078.06x = 24,947.48 × 10,120.28
  4. Step 4: Simplify right side
    18,078.06x = 252,475,432.29
  5. Step 5: Solve for x
    x = 252,475,432.29/18,078.06
  6. Step 6: Final answer
    x = 13,965.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.