Home / 22,060.61-30,443.54-11,988.86

Finding the Fourth Proportional to 22,060.61, 30,443.54 and 11,988.86

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Solution

The fourth proportional to 22,060.61, 30,443.54 and 11,988.86 is: 16,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.61 : 30,443.54 = 11,988.86 : x
  2. Step 2: Convert to fraction form
    22,060.61/30,443.54 = 11,988.86/x
  3. Step 3: Cross multiply
    22,060.61x = 30,443.54 × 11,988.86
  4. Step 4: Simplify right side
    22,060.61x = 364,983,126.80
  5. Step 5: Solve for x
    x = 364,983,126.80/22,060.61
  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.