Home / 19,758.88-27,263.82-11,800.63

Finding the Fourth Proportional to 19,758.88, 27,263.82 and 11,800.63

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Solution

The fourth proportional to 19,758.88, 27,263.82 and 11,800.63 is: 16,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.88 : 27,263.82 = 11,800.63 : x
  2. Step 2: Convert to fraction form
    19,758.88/27,263.82 = 11,800.63/x
  3. Step 3: Cross multiply
    19,758.88x = 27,263.82 × 11,800.63
  4. Step 4: Simplify right side
    19,758.88x = 321,730,252.21
  5. Step 5: Solve for x
    x = 321,730,252.21/19,758.88
  6. Step 6: Final answer
    x = 16,282.82

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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.