Home / 15,163.52-20,927.19-8,450.24

Finding the Fourth Proportional to 15,163.52, 20,927.19 and 8,450.24

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Solution

The fourth proportional to 15,163.52, 20,927.19 and 8,450.24 is: 11,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.52 : 20,927.19 = 8,450.24 : x
  2. Step 2: Convert to fraction form
    15,163.52/20,927.19 = 8,450.24/x
  3. Step 3: Cross multiply
    15,163.52x = 20,927.19 × 8,450.24
  4. Step 4: Simplify right side
    15,163.52x = 176,839,631.14
  5. Step 5: Solve for x
    x = 176,839,631.14/15,163.52
  6. Step 6: Final answer
    x = 11,662.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.