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Finding the Fourth Proportional to 14,000.30, 20,976.15 and 9,067.40

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Solution

The fourth proportional to 14,000.30, 20,976.15 and 9,067.40 is: 13,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.30 : 20,976.15 = 9,067.40 : x
  2. Step 2: Convert to fraction form
    14,000.30/20,976.15 = 9,067.40/x
  3. Step 3: Cross multiply
    14,000.30x = 20,976.15 × 9,067.40
  4. Step 4: Simplify right side
    14,000.30x = 190,199,142.51
  5. Step 5: Solve for x
    x = 190,199,142.51/14,000.30
  6. Step 6: Final answer
    x = 13,585.36

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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.