Home / 20,562.54-28,374.75-11,608.80

Finding the Fourth Proportional to 20,562.54, 28,374.75 and 11,608.80

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Solution

The fourth proportional to 20,562.54, 28,374.75 and 11,608.80 is: 16,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.54 : 28,374.75 = 11,608.80 : x
  2. Step 2: Convert to fraction form
    20,562.54/28,374.75 = 11,608.80/x
  3. Step 3: Cross multiply
    20,562.54x = 28,374.75 × 11,608.80
  4. Step 4: Simplify right side
    20,562.54x = 329,396,797.80
  5. Step 5: Solve for x
    x = 329,396,797.80/20,562.54
  6. Step 6: Final answer
    x = 16,019.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.