Home / 19,183.11-28,770.11-7,332.53

Finding the Fourth Proportional to 19,183.11, 28,770.11 and 7,332.53

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Solution

The fourth proportional to 19,183.11, 28,770.11 and 7,332.53 is: 10,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.11 : 28,770.11 = 7,332.53 : x
  2. Step 2: Convert to fraction form
    19,183.11/28,770.11 = 7,332.53/x
  3. Step 3: Cross multiply
    19,183.11x = 28,770.11 × 7,332.53
  4. Step 4: Simplify right side
    19,183.11x = 210,957,784.93
  5. Step 5: Solve for x
    x = 210,957,784.93/19,183.11
  6. Step 6: Final answer
    x = 10,997.06

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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.