Home / 26,667.23-36,805.19-20,314.80

Finding the Fourth Proportional to 26,667.23, 36,805.19 and 20,314.80

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Solution

The fourth proportional to 26,667.23, 36,805.19 and 20,314.80 is: 28,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,667.23 : 36,805.19 = 20,314.80 : x
  2. Step 2: Convert to fraction form
    26,667.23/36,805.19 = 20,314.80/x
  3. Step 3: Cross multiply
    26,667.23x = 36,805.19 × 20,314.80
  4. Step 4: Simplify right side
    26,667.23x = 747,689,972.24
  5. Step 5: Solve for x
    x = 747,689,972.24/26,667.23
  6. Step 6: Final answer
    x = 28,037.79

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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.