Home / 39,447.12-59,167.44-11,745.12

Finding the Fourth Proportional to 39,447.12, 59,167.44 and 11,745.12

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Solution

The fourth proportional to 39,447.12, 59,167.44 and 11,745.12 is: 17,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,447.12 : 59,167.44 = 11,745.12 : x
  2. Step 2: Convert to fraction form
    39,447.12/59,167.44 = 11,745.12/x
  3. Step 3: Cross multiply
    39,447.12x = 59,167.44 × 11,745.12
  4. Step 4: Simplify right side
    39,447.12x = 694,928,682.89
  5. Step 5: Solve for x
    x = 694,928,682.89/39,447.12
  6. Step 6: Final answer
    x = 17,616.72

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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.