Home / 15,754.22-23,631.32-12,969.73

Finding the Fourth Proportional to 15,754.22, 23,631.32 and 12,969.73

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Solution

The fourth proportional to 15,754.22, 23,631.32 and 12,969.73 is: 19,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754.22 : 23,631.32 = 12,969.73 : x
  2. Step 2: Convert to fraction form
    15,754.22/23,631.32 = 12,969.73/x
  3. Step 3: Cross multiply
    15,754.22x = 23,631.32 × 12,969.73
  4. Step 4: Simplify right side
    15,754.22x = 306,491,721.79
  5. Step 5: Solve for x
    x = 306,491,721.79/15,754.22
  6. Step 6: Final answer
    x = 19,454.58

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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.