Home / 18,079.04-24,947.69-10,120.18

Finding the Fourth Proportional to 18,079.04, 24,947.69 and 10,120.18

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Solution

The fourth proportional to 18,079.04, 24,947.69 and 10,120.18 is: 13,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.04 : 24,947.69 = 10,120.18 : x
  2. Step 2: Convert to fraction form
    18,079.04/24,947.69 = 10,120.18/x
  3. Step 3: Cross multiply
    18,079.04x = 24,947.69 × 10,120.18
  4. Step 4: Simplify right side
    18,079.04x = 252,475,062.78
  5. Step 5: Solve for x
    x = 252,475,062.78/18,079.04
  6. Step 6: Final answer
    x = 13,965.07

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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.