Home / 19,243.20-28,859.40-6,099.60

Finding the Fourth Proportional to 19,243.20, 28,859.40 and 6,099.60

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Solution

The fourth proportional to 19,243.20, 28,859.40 and 6,099.60 is: 9,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.20 : 28,859.40 = 6,099.60 : x
  2. Step 2: Convert to fraction form
    19,243.20/28,859.40 = 6,099.60/x
  3. Step 3: Cross multiply
    19,243.20x = 28,859.40 × 6,099.60
  4. Step 4: Simplify right side
    19,243.20x = 176,030,796.24
  5. Step 5: Solve for x
    x = 176,030,796.24/19,243.20
  6. Step 6: Final answer
    x = 9,147.69

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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.