Home / 19,442.63-29,165.27-7,755.75

Finding the Fourth Proportional to 19,442.63, 29,165.27 and 7,755.75

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Solution

The fourth proportional to 19,442.63, 29,165.27 and 7,755.75 is: 11,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.63 : 29,165.27 = 7,755.75 : x
  2. Step 2: Convert to fraction form
    19,442.63/29,165.27 = 7,755.75/x
  3. Step 3: Cross multiply
    19,442.63x = 29,165.27 × 7,755.75
  4. Step 4: Simplify right side
    19,442.63x = 226,198,504.02
  5. Step 5: Solve for x
    x = 226,198,504.02/19,442.63
  6. Step 6: Final answer
    x = 11,634.15

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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.