Home / 19,195.20-28,795.88-8,103.53

Finding the Fourth Proportional to 19,195.20, 28,795.88 and 8,103.53

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Solution

The fourth proportional to 19,195.20, 28,795.88 and 8,103.53 is: 12,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.20 : 28,795.88 = 8,103.53 : x
  2. Step 2: Convert to fraction form
    19,195.20/28,795.88 = 8,103.53/x
  3. Step 3: Cross multiply
    19,195.20x = 28,795.88 × 8,103.53
  4. Step 4: Simplify right side
    19,195.20x = 233,348,277.46
  5. Step 5: Solve for x
    x = 233,348,277.46/19,195.20
  6. Step 6: Final answer
    x = 12,156.60

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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.