Home / 19,963.79-27,550.17-11,011.06

Finding the Fourth Proportional to 19,963.79, 27,550.17 and 11,011.06

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Solution

The fourth proportional to 19,963.79, 27,550.17 and 11,011.06 is: 15,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.79 : 27,550.17 = 11,011.06 : x
  2. Step 2: Convert to fraction form
    19,963.79/27,550.17 = 11,011.06/x
  3. Step 3: Cross multiply
    19,963.79x = 27,550.17 × 11,011.06
  4. Step 4: Simplify right side
    19,963.79x = 303,356,506.00
  5. Step 5: Solve for x
    x = 303,356,506.00/19,963.79
  6. Step 6: Final answer
    x = 15,195.34

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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.