Home / 26,565.16-39,736.76-18,667.12

Finding the Fourth Proportional to 26,565.16, 39,736.76 and 18,667.12

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Solution

The fourth proportional to 26,565.16, 39,736.76 and 18,667.12 is: 27,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,565.16 : 39,736.76 = 18,667.12 : x
  2. Step 2: Convert to fraction form
    26,565.16/39,736.76 = 18,667.12/x
  3. Step 3: Cross multiply
    26,565.16x = 39,736.76 × 18,667.12
  4. Step 4: Simplify right side
    26,565.16x = 741,770,867.33
  5. Step 5: Solve for x
    x = 741,770,867.33/26,565.16
  6. Step 6: Final answer
    x = 27,922.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.