Home / 22,000.73-30,360.69-11,928.98

Finding the Fourth Proportional to 22,000.73, 30,360.69 and 11,928.98

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Solution

The fourth proportional to 22,000.73, 30,360.69 and 11,928.98 is: 16,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.73 : 30,360.69 = 11,928.98 : x
  2. Step 2: Convert to fraction form
    22,000.73/30,360.69 = 11,928.98/x
  3. Step 3: Cross multiply
    22,000.73x = 30,360.69 × 11,928.98
  4. Step 4: Simplify right side
    22,000.73x = 362,172,063.80
  5. Step 5: Solve for x
    x = 362,172,063.80/22,000.73
  6. Step 6: Final answer
    x = 16,461.82

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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.