Home / 26,657.56-36,786.25-14,720.64

Finding the Fourth Proportional to 26,657.56, 36,786.25 and 14,720.64

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Solution

The fourth proportional to 26,657.56, 36,786.25 and 14,720.64 is: 20,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.56 : 36,786.25 = 14,720.64 : x
  2. Step 2: Convert to fraction form
    26,657.56/36,786.25 = 14,720.64/x
  3. Step 3: Cross multiply
    26,657.56x = 36,786.25 × 14,720.64
  4. Step 4: Simplify right side
    26,657.56x = 541,517,023.65
  5. Step 5: Solve for x
    x = 541,517,023.65/26,657.56
  6. Step 6: Final answer
    x = 20,313.83

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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.