Home / 19,422.24-29,162.52-11,111.64

Finding the Fourth Proportional to 19,422.24, 29,162.52 and 11,111.64

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Solution

The fourth proportional to 19,422.24, 29,162.52 and 11,111.64 is: 16,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.24 : 29,162.52 = 11,111.64 : x
  2. Step 2: Convert to fraction form
    19,422.24/29,162.52 = 11,111.64/x
  3. Step 3: Cross multiply
    19,422.24x = 29,162.52 × 11,111.64
  4. Step 4: Simplify right side
    19,422.24x = 324,043,423.73
  5. Step 5: Solve for x
    x = 324,043,423.73/19,422.24
  6. Step 6: Final answer
    x = 16,684.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.