Home / 22,062.31-30,446.22-11,990.75

Finding the Fourth Proportional to 22,062.31, 30,446.22 and 11,990.75

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Solution

The fourth proportional to 22,062.31, 30,446.22 and 11,990.75 is: 16,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.31 : 30,446.22 = 11,990.75 : x
  2. Step 2: Convert to fraction form
    22,062.31/30,446.22 = 11,990.75/x
  3. Step 3: Cross multiply
    22,062.31x = 30,446.22 × 11,990.75
  4. Step 4: Simplify right side
    22,062.31x = 365,072,906.37
  5. Step 5: Solve for x
    x = 365,072,906.37/22,062.31
  6. Step 6: Final answer
    x = 16,547.36

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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.