Home / 26,189.53-39,275.79-11,394.07

Finding the Fourth Proportional to 26,189.53, 39,275.79 and 11,394.07

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Solution

The fourth proportional to 26,189.53, 39,275.79 and 11,394.07 is: 17,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.53 : 39,275.79 = 11,394.07 : x
  2. Step 2: Convert to fraction form
    26,189.53/39,275.79 = 11,394.07/x
  3. Step 3: Cross multiply
    26,189.53x = 39,275.79 × 11,394.07
  4. Step 4: Simplify right side
    26,189.53x = 447,511,100.57
  5. Step 5: Solve for x
    x = 447,511,100.57/26,189.53
  6. Step 6: Final answer
    x = 17,087.40

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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.