Home / 22,453.24-30,971.28-16,067.20

Finding the Fourth Proportional to 22,453.24, 30,971.28 and 16,067.20

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Solution

The fourth proportional to 22,453.24, 30,971.28 and 16,067.20 is: 22,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.24 : 30,971.28 = 16,067.20 : x
  2. Step 2: Convert to fraction form
    22,453.24/30,971.28 = 16,067.20/x
  3. Step 3: Cross multiply
    22,453.24x = 30,971.28 × 16,067.20
  4. Step 4: Simplify right side
    22,453.24x = 497,621,750.02
  5. Step 5: Solve for x
    x = 497,621,750.02/22,453.24
  6. Step 6: Final answer
    x = 22,162.58

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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.