Home / 22,111.60-33,167.40-19,433.20

Finding the Fourth Proportional to 22,111.60, 33,167.40 and 19,433.20

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Solution

The fourth proportional to 22,111.60, 33,167.40 and 19,433.20 is: 29,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,111.60 : 33,167.40 = 19,433.20 : x
  2. Step 2: Convert to fraction form
    22,111.60/33,167.40 = 19,433.20/x
  3. Step 3: Cross multiply
    22,111.60x = 33,167.40 × 19,433.20
  4. Step 4: Simplify right side
    22,111.60x = 644,548,717.68
  5. Step 5: Solve for x
    x = 644,548,717.68/22,111.60
  6. Step 6: Final answer
    x = 29,149.80

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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.