Home / 22,062.54-30,446.34-11,991.09

Finding the Fourth Proportional to 22,062.54, 30,446.34 and 11,991.09

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Solution

The fourth proportional to 22,062.54, 30,446.34 and 11,991.09 is: 16,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.54 : 30,446.34 = 11,991.09 : x
  2. Step 2: Convert to fraction form
    22,062.54/30,446.34 = 11,991.09/x
  3. Step 3: Cross multiply
    22,062.54x = 30,446.34 × 11,991.09
  4. Step 4: Simplify right side
    22,062.54x = 365,084,803.11
  5. Step 5: Solve for x
    x = 365,084,803.11/22,062.54
  6. Step 6: Final answer
    x = 16,547.72

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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.