Home / 26,819.87-37,005.66-18,209.03

Finding the Fourth Proportional to 26,819.87, 37,005.66 and 18,209.03

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Solution

The fourth proportional to 26,819.87, 37,005.66 and 18,209.03 is: 25,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.87 : 37,005.66 = 18,209.03 : x
  2. Step 2: Convert to fraction form
    26,819.87/37,005.66 = 18,209.03/x
  3. Step 3: Cross multiply
    26,819.87x = 37,005.66 × 18,209.03
  4. Step 4: Simplify right side
    26,819.87x = 673,836,988.08
  5. Step 5: Solve for x
    x = 673,836,988.08/26,819.87
  6. Step 6: Final answer
    x = 25,124.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.