Home / 26,449.24-39,667.72-7,725.12

Finding the Fourth Proportional to 26,449.24, 39,667.72 and 7,725.12

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Solution

The fourth proportional to 26,449.24, 39,667.72 and 7,725.12 is: 11,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.24 : 39,667.72 = 7,725.12 : x
  2. Step 2: Convert to fraction form
    26,449.24/39,667.72 = 7,725.12/x
  3. Step 3: Cross multiply
    26,449.24x = 39,667.72 × 7,725.12
  4. Step 4: Simplify right side
    26,449.24x = 306,437,897.13
  5. Step 5: Solve for x
    x = 306,437,897.13/26,449.24
  6. Step 6: Final answer
    x = 11,585.89

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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.