Home / 27,212.24-40,818.36-8,745.68

Finding the Fourth Proportional to 27,212.24, 40,818.36 and 8,745.68

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Solution

The fourth proportional to 27,212.24, 40,818.36 and 8,745.68 is: 13,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,212.24 : 40,818.36 = 8,745.68 : x
  2. Step 2: Convert to fraction form
    27,212.24/40,818.36 = 8,745.68/x
  3. Step 3: Cross multiply
    27,212.24x = 40,818.36 × 8,745.68
  4. Step 4: Simplify right side
    27,212.24x = 356,984,314.68
  5. Step 5: Solve for x
    x = 356,984,314.68/27,212.24
  6. Step 6: Final answer
    x = 13,118.52

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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.