Home / 22,147.56-33,221.34-8,101.51

Finding the Fourth Proportional to 22,147.56, 33,221.34 and 8,101.51

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Solution

The fourth proportional to 22,147.56, 33,221.34 and 8,101.51 is: 12,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.56 : 33,221.34 = 8,101.51 : x
  2. Step 2: Convert to fraction form
    22,147.56/33,221.34 = 8,101.51/x
  3. Step 3: Cross multiply
    22,147.56x = 33,221.34 × 8,101.51
  4. Step 4: Simplify right side
    22,147.56x = 269,142,935.17
  5. Step 5: Solve for x
    x = 269,142,935.17/22,147.56
  6. Step 6: Final answer
    x = 12,152.26

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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.