Home / 15,972.55-23,958.83-7,197.21

Finding the Fourth Proportional to 15,972.55, 23,958.83 and 7,197.21

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Solution

The fourth proportional to 15,972.55, 23,958.83 and 7,197.21 is: 10,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.55 : 23,958.83 = 7,197.21 : x
  2. Step 2: Convert to fraction form
    15,972.55/23,958.83 = 7,197.21/x
  3. Step 3: Cross multiply
    15,972.55x = 23,958.83 × 7,197.21
  4. Step 4: Simplify right side
    15,972.55x = 172,436,748.86
  5. Step 5: Solve for x
    x = 172,436,748.86/15,972.55
  6. Step 6: Final answer
    x = 10,795.82

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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.