Home / 22,027.60-32,998.20-13,236.40

Finding the Fourth Proportional to 22,027.60, 32,998.20 and 13,236.40

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Solution

The fourth proportional to 22,027.60, 32,998.20 and 13,236.40 is: 19,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,027.60 : 32,998.20 = 13,236.40 : x
  2. Step 2: Convert to fraction form
    22,027.60/32,998.20 = 13,236.40/x
  3. Step 3: Cross multiply
    22,027.60x = 32,998.20 × 13,236.40
  4. Step 4: Simplify right side
    22,027.60x = 436,777,374.48
  5. Step 5: Solve for x
    x = 436,777,374.48/22,027.60
  6. Step 6: Final answer
    x = 19,828.64

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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.