Home / 22,060.10-30,443.24-11,988.70

Finding the Fourth Proportional to 22,060.10, 30,443.24 and 11,988.70

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Solution

The fourth proportional to 22,060.10, 30,443.24 and 11,988.70 is: 16,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.10 : 30,443.24 = 11,988.70 : x
  2. Step 2: Convert to fraction form
    22,060.10/30,443.24 = 11,988.70/x
  3. Step 3: Cross multiply
    22,060.10x = 30,443.24 × 11,988.70
  4. Step 4: Simplify right side
    22,060.10x = 364,974,871.39
  5. Step 5: Solve for x
    x = 364,974,871.39/22,060.10
  6. Step 6: Final answer
    x = 16,544.57

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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.