Home / 15,942.72-22,000.14-9,568.06

Finding the Fourth Proportional to 15,942.72, 22,000.14 and 9,568.06

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Solution

The fourth proportional to 15,942.72, 22,000.14 and 9,568.06 is: 13,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.72 : 22,000.14 = 9,568.06 : x
  2. Step 2: Convert to fraction form
    15,942.72/22,000.14 = 9,568.06/x
  3. Step 3: Cross multiply
    15,942.72x = 22,000.14 × 9,568.06
  4. Step 4: Simplify right side
    15,942.72x = 210,498,604.53
  5. Step 5: Solve for x
    x = 210,498,604.53/15,942.72
  6. Step 6: Final answer
    x = 13,203.43

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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.