Home / 18,222.67-27,272.27-11,207.13

Finding the Fourth Proportional to 18,222.67, 27,272.27 and 11,207.13

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Solution

The fourth proportional to 18,222.67, 27,272.27 and 11,207.13 is: 16,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.67 : 27,272.27 = 11,207.13 : x
  2. Step 2: Convert to fraction form
    18,222.67/27,272.27 = 11,207.13/x
  3. Step 3: Cross multiply
    18,222.67x = 27,272.27 × 11,207.13
  4. Step 4: Simplify right side
    18,222.67x = 305,643,875.29
  5. Step 5: Solve for x
    x = 305,643,875.29/18,222.67
  6. Step 6: Final answer
    x = 16,772.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.