Home / 22,126.12-33,176.40-7,331.05

Finding the Fourth Proportional to 22,126.12, 33,176.40 and 7,331.05

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Solution

The fourth proportional to 22,126.12, 33,176.40 and 7,331.05 is: 10,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.12 : 33,176.40 = 7,331.05 : x
  2. Step 2: Convert to fraction form
    22,126.12/33,176.40 = 7,331.05/x
  3. Step 3: Cross multiply
    22,126.12x = 33,176.40 × 7,331.05
  4. Step 4: Simplify right side
    22,126.12x = 243,217,847.22
  5. Step 5: Solve for x
    x = 243,217,847.22/22,126.12
  6. Step 6: Final answer
    x = 10,992.34

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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.