Home / 26,019.68-39,017.97-11,976.30

Finding the Fourth Proportional to 26,019.68, 39,017.97 and 11,976.30

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Solution

The fourth proportional to 26,019.68, 39,017.97 and 11,976.30 is: 17,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.68 : 39,017.97 = 11,976.30 : x
  2. Step 2: Convert to fraction form
    26,019.68/39,017.97 = 11,976.30/x
  3. Step 3: Cross multiply
    26,019.68x = 39,017.97 × 11,976.30
  4. Step 4: Simplify right side
    26,019.68x = 467,290,914.11
  5. Step 5: Solve for x
    x = 467,290,914.11/26,019.68
  6. Step 6: Final answer
    x = 17,959.14

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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.