Home / 10,017.72-15,027.48-2,622.15

Finding the Fourth Proportional to 10,017.72, 15,027.48 and 2,622.15

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Solution

The fourth proportional to 10,017.72, 15,027.48 and 2,622.15 is: 3,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.72 : 15,027.48 = 2,622.15 : x
  2. Step 2: Convert to fraction form
    10,017.72/15,027.48 = 2,622.15/x
  3. Step 3: Cross multiply
    10,017.72x = 15,027.48 × 2,622.15
  4. Step 4: Simplify right side
    10,017.72x = 39,404,306.68
  5. Step 5: Solve for x
    x = 39,404,306.68/10,017.72
  6. Step 6: Final answer
    x = 3,933.46

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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.