Home / 22,231.60-33,347.40-18,732.40

Finding the Fourth Proportional to 22,231.60, 33,347.40 and 18,732.40

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Solution

The fourth proportional to 22,231.60, 33,347.40 and 18,732.40 is: 28,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.60 : 33,347.40 = 18,732.40 : x
  2. Step 2: Convert to fraction form
    22,231.60/33,347.40 = 18,732.40/x
  3. Step 3: Cross multiply
    22,231.60x = 33,347.40 × 18,732.40
  4. Step 4: Simplify right side
    22,231.60x = 624,676,835.76
  5. Step 5: Solve for x
    x = 624,676,835.76/22,231.60
  6. Step 6: Final answer
    x = 28,098.60

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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.