Home / 22,010.40-32,983.20-18,705.60

Finding the Fourth Proportional to 22,010.40, 32,983.20 and 18,705.60

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Solution

The fourth proportional to 22,010.40, 32,983.20 and 18,705.60 is: 28,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.40 : 32,983.20 = 18,705.60 : x
  2. Step 2: Convert to fraction form
    22,010.40/32,983.20 = 18,705.60/x
  3. Step 3: Cross multiply
    22,010.40x = 32,983.20 × 18,705.60
  4. Step 4: Simplify right side
    22,010.40x = 616,970,545.92
  5. Step 5: Solve for x
    x = 616,970,545.92/22,010.40
  6. Step 6: Final answer
    x = 28,030.86

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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.