Home / 22,062.57-30,446.31-11,990.98

Finding the Fourth Proportional to 22,062.57, 30,446.31 and 11,990.98

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Solution

The fourth proportional to 22,062.57, 30,446.31 and 11,990.98 is: 16,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.57 : 30,446.31 = 11,990.98 : x
  2. Step 2: Convert to fraction form
    22,062.57/30,446.31 = 11,990.98/x
  3. Step 3: Cross multiply
    22,062.57x = 30,446.31 × 11,990.98
  4. Step 4: Simplify right side
    22,062.57x = 365,081,094.28
  5. Step 5: Solve for x
    x = 365,081,094.28/22,062.57
  6. Step 6: Final answer
    x = 16,547.53

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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.