Home / 15,406.12-23,091.24-7,087

Finding the Fourth Proportional to 15,406.12, 23,091.24 and 7,087

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Solution

The fourth proportional to 15,406.12, 23,091.24 and 7,087 is: 10,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.12 : 23,091.24 = 7,087 : x
  2. Step 2: Convert to fraction form
    15,406.12/23,091.24 = 7,087/x
  3. Step 3: Cross multiply
    15,406.12x = 23,091.24 × 7,087
  4. Step 4: Simplify right side
    15,406.12x = 163,647,617.88
  5. Step 5: Solve for x
    x = 163,647,617.88/15,406.12
  6. Step 6: Final answer
    x = 10,622.25

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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.