Home / 26,609.38-39,914.46-7,891.32

Finding the Fourth Proportional to 26,609.38, 39,914.46 and 7,891.32

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Solution

The fourth proportional to 26,609.38, 39,914.46 and 7,891.32 is: 11,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,609.38 : 39,914.46 = 7,891.32 : x
  2. Step 2: Convert to fraction form
    26,609.38/39,914.46 = 7,891.32/x
  3. Step 3: Cross multiply
    26,609.38x = 39,914.46 × 7,891.32
  4. Step 4: Simplify right side
    26,609.38x = 314,977,776.49
  5. Step 5: Solve for x
    x = 314,977,776.49/26,609.38
  6. Step 6: Final answer
    x = 11,837.10

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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.