Home / 19,996.64-27,600.71-11,499.70

Finding the Fourth Proportional to 19,996.64, 27,600.71 and 11,499.70

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Solution

The fourth proportional to 19,996.64, 27,600.71 and 11,499.70 is: 15,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.64 : 27,600.71 = 11,499.70 : x
  2. Step 2: Convert to fraction form
    19,996.64/27,600.71 = 11,499.70/x
  3. Step 3: Cross multiply
    19,996.64x = 27,600.71 × 11,499.70
  4. Step 4: Simplify right side
    19,996.64x = 317,399,884.79
  5. Step 5: Solve for x
    x = 317,399,884.79/19,996.64
  6. Step 6: Final answer
    x = 15,872.66

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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.