Home / 19,067.72-28,605.40-6,588.20

Finding the Fourth Proportional to 19,067.72, 28,605.40 and 6,588.20

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Solution

The fourth proportional to 19,067.72, 28,605.40 and 6,588.20 is: 9,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.72 : 28,605.40 = 6,588.20 : x
  2. Step 2: Convert to fraction form
    19,067.72/28,605.40 = 6,588.20/x
  3. Step 3: Cross multiply
    19,067.72x = 28,605.40 × 6,588.20
  4. Step 4: Simplify right side
    19,067.72x = 188,458,096.28
  5. Step 5: Solve for x
    x = 188,458,096.28/19,067.72
  6. Step 6: Final answer
    x = 9,883.62

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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.