Home / 18,832.05-28,233.47-10,922.40

Finding the Fourth Proportional to 18,832.05, 28,233.47 and 10,922.40

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Solution

The fourth proportional to 18,832.05, 28,233.47 and 10,922.40 is: 16,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.05 : 28,233.47 = 10,922.40 : x
  2. Step 2: Convert to fraction form
    18,832.05/28,233.47 = 10,922.40/x
  3. Step 3: Cross multiply
    18,832.05x = 28,233.47 × 10,922.40
  4. Step 4: Simplify right side
    18,832.05x = 308,377,280.03
  5. Step 5: Solve for x
    x = 308,377,280.03/18,832.05
  6. Step 6: Final answer
    x = 16,375.13

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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.