Home / 15,930.46-23,895.72-4,243.66

Finding the Fourth Proportional to 15,930.46, 23,895.72 and 4,243.66

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Solution

The fourth proportional to 15,930.46, 23,895.72 and 4,243.66 is: 6,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.46 : 23,895.72 = 4,243.66 : x
  2. Step 2: Convert to fraction form
    15,930.46/23,895.72 = 4,243.66/x
  3. Step 3: Cross multiply
    15,930.46x = 23,895.72 × 4,243.66
  4. Step 4: Simplify right side
    15,930.46x = 101,405,311.14
  5. Step 5: Solve for x
    x = 101,405,311.14/15,930.46
  6. Step 6: Final answer
    x = 6,365.50

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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.