Home / 20,060.24-27,682.80-11,107.55

Finding the Fourth Proportional to 20,060.24, 27,682.80 and 11,107.55

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Solution

The fourth proportional to 20,060.24, 27,682.80 and 11,107.55 is: 15,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.24 : 27,682.80 = 11,107.55 : x
  2. Step 2: Convert to fraction form
    20,060.24/27,682.80 = 11,107.55/x
  3. Step 3: Cross multiply
    20,060.24x = 27,682.80 × 11,107.55
  4. Step 4: Simplify right side
    20,060.24x = 307,488,184.78
  5. Step 5: Solve for x
    x = 307,488,184.78/20,060.24
  6. Step 6: Final answer
    x = 15,328.24

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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.