Home / 22,243.60-33,403.80-11,875.60

Finding the Fourth Proportional to 22,243.60, 33,403.80 and 11,875.60

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Solution

The fourth proportional to 22,243.60, 33,403.80 and 11,875.60 is: 17,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.60 : 33,403.80 = 11,875.60 : x
  2. Step 2: Convert to fraction form
    22,243.60/33,403.80 = 11,875.60/x
  3. Step 3: Cross multiply
    22,243.60x = 33,403.80 × 11,875.60
  4. Step 4: Simplify right side
    22,243.60x = 396,690,167.28
  5. Step 5: Solve for x
    x = 396,690,167.28/22,243.60
  6. Step 6: Final answer
    x = 17,833.90

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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.