Home / 22,062.66-30,446.67-11,991.12

Finding the Fourth Proportional to 22,062.66, 30,446.67 and 11,991.12

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Solution

The fourth proportional to 22,062.66, 30,446.67 and 11,991.12 is: 16,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.66 : 30,446.67 = 11,991.12 : x
  2. Step 2: Convert to fraction form
    22,062.66/30,446.67 = 11,991.12/x
  3. Step 3: Cross multiply
    22,062.66x = 30,446.67 × 11,991.12
  4. Step 4: Simplify right side
    22,062.66x = 365,089,673.57
  5. Step 5: Solve for x
    x = 365,089,673.57/22,062.66
  6. Step 6: Final answer
    x = 16,547.85

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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.