Home / 22,213.10-33,331.80-9,074.90

Finding the Fourth Proportional to 22,213.10, 33,331.80 and 9,074.90

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Solution

The fourth proportional to 22,213.10, 33,331.80 and 9,074.90 is: 13,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.10 : 33,331.80 = 9,074.90 : x
  2. Step 2: Convert to fraction form
    22,213.10/33,331.80 = 9,074.90/x
  3. Step 3: Cross multiply
    22,213.10x = 33,331.80 × 9,074.90
  4. Step 4: Simplify right side
    22,213.10x = 302,482,751.82
  5. Step 5: Solve for x
    x = 302,482,751.82/22,213.10
  6. Step 6: Final answer
    x = 13,617.31

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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.