Home / 26,657.44-36,786.96-18,276.64

Finding the Fourth Proportional to 26,657.44, 36,786.96 and 18,276.64

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Solution

The fourth proportional to 26,657.44, 36,786.96 and 18,276.64 is: 25,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.44 : 36,786.96 = 18,276.64 : x
  2. Step 2: Convert to fraction form
    26,657.44/36,786.96 = 18,276.64/x
  3. Step 3: Cross multiply
    26,657.44x = 36,786.96 × 18,276.64
  4. Step 4: Simplify right side
    26,657.44x = 672,342,024.61
  5. Step 5: Solve for x
    x = 672,342,024.61/26,657.44
  6. Step 6: Final answer
    x = 25,221.55

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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.