Home / 19,539.96-29,311.38-7,067.40

Finding the Fourth Proportional to 19,539.96, 29,311.38 and 7,067.40

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Solution

The fourth proportional to 19,539.96, 29,311.38 and 7,067.40 is: 10,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.96 : 29,311.38 = 7,067.40 : x
  2. Step 2: Convert to fraction form
    19,539.96/29,311.38 = 7,067.40/x
  3. Step 3: Cross multiply
    19,539.96x = 29,311.38 × 7,067.40
  4. Step 4: Simplify right side
    19,539.96x = 207,155,247.01
  5. Step 5: Solve for x
    x = 207,155,247.01/19,539.96
  6. Step 6: Final answer
    x = 10,601.62

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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.