Home / 19,906.11-29,858.19-7,425.17

Finding the Fourth Proportional to 19,906.11, 29,858.19 and 7,425.17

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Solution

The fourth proportional to 19,906.11, 29,858.19 and 7,425.17 is: 11,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.11 : 29,858.19 = 7,425.17 : x
  2. Step 2: Convert to fraction form
    19,906.11/29,858.19 = 7,425.17/x
  3. Step 3: Cross multiply
    19,906.11x = 29,858.19 × 7,425.17
  4. Step 4: Simplify right side
    19,906.11x = 221,702,239.43
  5. Step 5: Solve for x
    x = 221,702,239.43/19,906.11
  6. Step 6: Final answer
    x = 11,137.40

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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.