Home / 19,716.29-27,208.10-10,763.85

Finding the Fourth Proportional to 19,716.29, 27,208.10 and 10,763.85

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Solution

The fourth proportional to 19,716.29, 27,208.10 and 10,763.85 is: 14,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.29 : 27,208.10 = 10,763.85 : x
  2. Step 2: Convert to fraction form
    19,716.29/27,208.10 = 10,763.85/x
  3. Step 3: Cross multiply
    19,716.29x = 27,208.10 × 10,763.85
  4. Step 4: Simplify right side
    19,716.29x = 292,863,853.37
  5. Step 5: Solve for x
    x = 292,863,853.37/19,716.29
  6. Step 6: Final answer
    x = 14,853.91

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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.