Home / 19,847.24-27,385.86-11,462.12

Finding the Fourth Proportional to 19,847.24, 27,385.86 and 11,462.12

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Solution

The fourth proportional to 19,847.24, 27,385.86 and 11,462.12 is: 15,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.24 : 27,385.86 = 11,462.12 : x
  2. Step 2: Convert to fraction form
    19,847.24/27,385.86 = 11,462.12/x
  3. Step 3: Cross multiply
    19,847.24x = 27,385.86 × 11,462.12
  4. Step 4: Simplify right side
    19,847.24x = 313,900,013.62
  5. Step 5: Solve for x
    x = 313,900,013.62/19,847.24
  6. Step 6: Final answer
    x = 15,815.80

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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.