Home / 19,963.88-27,550.36-11,011.71

Finding the Fourth Proportional to 19,963.88, 27,550.36 and 11,011.71

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Solution

The fourth proportional to 19,963.88, 27,550.36 and 11,011.71 is: 15,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.88 : 27,550.36 = 11,011.71 : x
  2. Step 2: Convert to fraction form
    19,963.88/27,550.36 = 11,011.71/x
  3. Step 3: Cross multiply
    19,963.88x = 27,550.36 × 11,011.71
  4. Step 4: Simplify right side
    19,963.88x = 303,376,691.79
  5. Step 5: Solve for x
    x = 303,376,691.79/19,963.88
  6. Step 6: Final answer
    x = 15,196.28

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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.