Home / 19,337.20-28,999.60-6,186.44

Finding the Fourth Proportional to 19,337.20, 28,999.60 and 6,186.44

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Solution

The fourth proportional to 19,337.20, 28,999.60 and 6,186.44 is: 9,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.20 : 28,999.60 = 6,186.44 : x
  2. Step 2: Convert to fraction form
    19,337.20/28,999.60 = 6,186.44/x
  3. Step 3: Cross multiply
    19,337.20x = 28,999.60 × 6,186.44
  4. Step 4: Simplify right side
    19,337.20x = 179,404,285.42
  5. Step 5: Solve for x
    x = 179,404,285.42/19,337.20
  6. Step 6: Final answer
    x = 9,277.68

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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.