Home / 19,963.68-27,549.44-11,011.42

Finding the Fourth Proportional to 19,963.68, 27,549.44 and 11,011.42

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Solution

The fourth proportional to 19,963.68, 27,549.44 and 11,011.42 is: 15,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.68 : 27,549.44 = 11,011.42 : x
  2. Step 2: Convert to fraction form
    19,963.68/27,549.44 = 11,011.42/x
  3. Step 3: Cross multiply
    19,963.68x = 27,549.44 × 11,011.42
  4. Step 4: Simplify right side
    19,963.68x = 303,358,454.60
  5. Step 5: Solve for x
    x = 303,358,454.60/19,963.68
  6. Step 6: Final answer
    x = 15,195.52

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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.