Home / 18,832.12-25,990.38-10,876.84

Finding the Fourth Proportional to 18,832.12, 25,990.38 and 10,876.84

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Solution

The fourth proportional to 18,832.12, 25,990.38 and 10,876.84 is: 15,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.12 : 25,990.38 = 10,876.84 : x
  2. Step 2: Convert to fraction form
    18,832.12/25,990.38 = 10,876.84/x
  3. Step 3: Cross multiply
    18,832.12x = 25,990.38 × 10,876.84
  4. Step 4: Simplify right side
    18,832.12x = 282,693,204.80
  5. Step 5: Solve for x
    x = 282,693,204.80/18,832.12
  6. Step 6: Final answer
    x = 15,011.23

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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.