Home / 19,710.46-27,195.24-11,212.66

Finding the Fourth Proportional to 19,710.46, 27,195.24 and 11,212.66

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Solution

The fourth proportional to 19,710.46, 27,195.24 and 11,212.66 is: 15,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.46 : 27,195.24 = 11,212.66 : x
  2. Step 2: Convert to fraction form
    19,710.46/27,195.24 = 11,212.66/x
  3. Step 3: Cross multiply
    19,710.46x = 27,195.24 × 11,212.66
  4. Step 4: Simplify right side
    19,710.46x = 304,930,979.74
  5. Step 5: Solve for x
    x = 304,930,979.74/19,710.46
  6. Step 6: Final answer
    x = 15,470.52

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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.