Home / 19,591.79-27,044.37-13,222.13

Finding the Fourth Proportional to 19,591.79, 27,044.37 and 13,222.13

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Solution

The fourth proportional to 19,591.79, 27,044.37 and 13,222.13 is: 18,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.79 : 27,044.37 = 13,222.13 : x
  2. Step 2: Convert to fraction form
    19,591.79/27,044.37 = 13,222.13/x
  3. Step 3: Cross multiply
    19,591.79x = 27,044.37 × 13,222.13
  4. Step 4: Simplify right side
    19,591.79x = 357,584,040.69
  5. Step 5: Solve for x
    x = 357,584,040.69/19,591.79
  6. Step 6: Final answer
    x = 18,251.73

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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.