Home / 22,129.57-33,215.19-14,739.22

Finding the Fourth Proportional to 22,129.57, 33,215.19 and 14,739.22

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Solution

The fourth proportional to 22,129.57, 33,215.19 and 14,739.22 is: 22,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.57 : 33,215.19 = 14,739.22 : x
  2. Step 2: Convert to fraction form
    22,129.57/33,215.19 = 14,739.22/x
  3. Step 3: Cross multiply
    22,129.57x = 33,215.19 × 14,739.22
  4. Step 4: Simplify right side
    22,129.57x = 489,565,992.75
  5. Step 5: Solve for x
    x = 489,565,992.75/22,129.57
  6. Step 6: Final answer
    x = 22,122.71

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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.