Home / 20,067.34-27,697.53-13,353.25

Finding the Fourth Proportional to 20,067.34, 27,697.53 and 13,353.25

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Solution

The fourth proportional to 20,067.34, 27,697.53 and 13,353.25 is: 18,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.34 : 27,697.53 = 13,353.25 : x
  2. Step 2: Convert to fraction form
    20,067.34/27,697.53 = 13,353.25/x
  3. Step 3: Cross multiply
    20,067.34x = 27,697.53 × 13,353.25
  4. Step 4: Simplify right side
    20,067.34x = 369,852,042.47
  5. Step 5: Solve for x
    x = 369,852,042.47/20,067.34
  6. Step 6: Final answer
    x = 18,430.55

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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.