Home / 27,705.57-41,560.38-8,988.09

Finding the Fourth Proportional to 27,705.57, 41,560.38 and 8,988.09

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Solution

The fourth proportional to 27,705.57, 41,560.38 and 8,988.09 is: 13,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.57 : 41,560.38 = 8,988.09 : x
  2. Step 2: Convert to fraction form
    27,705.57/41,560.38 = 8,988.09/x
  3. Step 3: Cross multiply
    27,705.57x = 41,560.38 × 8,988.09
  4. Step 4: Simplify right side
    27,705.57x = 373,548,435.87
  5. Step 5: Solve for x
    x = 373,548,435.87/27,705.57
  6. Step 6: Final answer
    x = 13,482.79

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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.