Home / 18,631.85-27,941.84-6,149.55

Finding the Fourth Proportional to 18,631.85, 27,941.84 and 6,149.55

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Solution

The fourth proportional to 18,631.85, 27,941.84 and 6,149.55 is: 9,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.85 : 27,941.84 = 6,149.55 : x
  2. Step 2: Convert to fraction form
    18,631.85/27,941.84 = 6,149.55/x
  3. Step 3: Cross multiply
    18,631.85x = 27,941.84 × 6,149.55
  4. Step 4: Simplify right side
    18,631.85x = 171,829,711.42
  5. Step 5: Solve for x
    x = 171,829,711.42/18,631.85
  6. Step 6: Final answer
    x = 9,222.37

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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.