Home / 16,747.55-25,121.33-7,955.81

Finding the Fourth Proportional to 16,747.55, 25,121.33 and 7,955.81

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Solution

The fourth proportional to 16,747.55, 25,121.33 and 7,955.81 is: 11,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,747.55 : 25,121.33 = 7,955.81 : x
  2. Step 2: Convert to fraction form
    16,747.55/25,121.33 = 7,955.81/x
  3. Step 3: Cross multiply
    16,747.55x = 25,121.33 × 7,955.81
  4. Step 4: Simplify right side
    16,747.55x = 199,860,528.43
  5. Step 5: Solve for x
    x = 199,860,528.43/16,747.55
  6. Step 6: Final answer
    x = 11,933.72

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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.