Home / 22,060.11-30,442.84-11,988.36

Finding the Fourth Proportional to 22,060.11, 30,442.84 and 11,988.36

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Solution

The fourth proportional to 22,060.11, 30,442.84 and 11,988.36 is: 16,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.11 : 30,442.84 = 11,988.36 : x
  2. Step 2: Convert to fraction form
    22,060.11/30,442.84 = 11,988.36/x
  3. Step 3: Cross multiply
    22,060.11x = 30,442.84 × 11,988.36
  4. Step 4: Simplify right side
    22,060.11x = 364,959,725.34
  5. Step 5: Solve for x
    x = 364,959,725.34/22,060.11
  6. Step 6: Final answer
    x = 16,543.88

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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.