Home / 22,062.22-30,446.07-11,990.69

Finding the Fourth Proportional to 22,062.22, 30,446.07 and 11,990.69

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Solution

The fourth proportional to 22,062.22, 30,446.07 and 11,990.69 is: 16,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.22 : 30,446.07 = 11,990.69 : x
  2. Step 2: Convert to fraction form
    22,062.22/30,446.07 = 11,990.69/x
  3. Step 3: Cross multiply
    22,062.22x = 30,446.07 × 11,990.69
  4. Step 4: Simplify right side
    22,062.22x = 365,069,189.89
  5. Step 5: Solve for x
    x = 365,069,189.89/22,062.22
  6. Step 6: Final answer
    x = 16,547.25

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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.