Home / 26,945.68-37,155.32-18,449.20

Finding the Fourth Proportional to 26,945.68, 37,155.32 and 18,449.20

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Solution

The fourth proportional to 26,945.68, 37,155.32 and 18,449.20 is: 25,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.68 : 37,155.32 = 18,449.20 : x
  2. Step 2: Convert to fraction form
    26,945.68/37,155.32 = 18,449.20/x
  3. Step 3: Cross multiply
    26,945.68x = 37,155.32 × 18,449.20
  4. Step 4: Simplify right side
    26,945.68x = 685,485,929.74
  5. Step 5: Solve for x
    x = 685,485,929.74/26,945.68
  6. Step 6: Final answer
    x = 25,439.55

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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.