Home / 19,214.40-28,821.60-6,067.80

Finding the Fourth Proportional to 19,214.40, 28,821.60 and 6,067.80

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Solution

The fourth proportional to 19,214.40, 28,821.60 and 6,067.80 is: 9,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.40 : 28,821.60 = 6,067.80 : x
  2. Step 2: Convert to fraction form
    19,214.40/28,821.60 = 6,067.80/x
  3. Step 3: Cross multiply
    19,214.40x = 28,821.60 × 6,067.80
  4. Step 4: Simplify right side
    19,214.40x = 174,883,704.48
  5. Step 5: Solve for x
    x = 174,883,704.48/19,214.40
  6. Step 6: Final answer
    x = 9,101.70

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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.