Home / 26,990.96-37,247.69-15,667.22

Finding the Fourth Proportional to 26,990.96, 37,247.69 and 15,667.22

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Solution

The fourth proportional to 26,990.96, 37,247.69 and 15,667.22 is: 21,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.96 : 37,247.69 = 15,667.22 : x
  2. Step 2: Convert to fraction form
    26,990.96/37,247.69 = 15,667.22/x
  3. Step 3: Cross multiply
    26,990.96x = 37,247.69 × 15,667.22
  4. Step 4: Simplify right side
    26,990.96x = 583,567,489.15
  5. Step 5: Solve for x
    x = 583,567,489.15/26,990.96
  6. Step 6: Final answer
    x = 21,620.85

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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.