Home / 26,917.12-37,180.80-18,519.04

Finding the Fourth Proportional to 26,917.12, 37,180.80 and 18,519.04

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Solution

The fourth proportional to 26,917.12, 37,180.80 and 18,519.04 is: 25,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.12 : 37,180.80 = 18,519.04 : x
  2. Step 2: Convert to fraction form
    26,917.12/37,180.80 = 18,519.04/x
  3. Step 3: Cross multiply
    26,917.12x = 37,180.80 × 18,519.04
  4. Step 4: Simplify right side
    26,917.12x = 688,552,722.43
  5. Step 5: Solve for x
    x = 688,552,722.43/26,917.12
  6. Step 6: Final answer
    x = 25,580.48

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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.