Home / 22,167.40-33,218.70-18,862.60

Finding the Fourth Proportional to 22,167.40, 33,218.70 and 18,862.60

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Solution

The fourth proportional to 22,167.40, 33,218.70 and 18,862.60 is: 28,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.40 : 33,218.70 = 18,862.60 : x
  2. Step 2: Convert to fraction form
    22,167.40/33,218.70 = 18,862.60/x
  3. Step 3: Cross multiply
    22,167.40x = 33,218.70 × 18,862.60
  4. Step 4: Simplify right side
    22,167.40x = 626,591,050.62
  5. Step 5: Solve for x
    x = 626,591,050.62/22,167.40
  6. Step 6: Final answer
    x = 28,266.33

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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.