Home / 13,864.03-19,132.41-7,576.54

Finding the Fourth Proportional to 13,864.03, 19,132.41 and 7,576.54

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Solution

The fourth proportional to 13,864.03, 19,132.41 and 7,576.54 is: 10,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.03 : 19,132.41 = 7,576.54 : x
  2. Step 2: Convert to fraction form
    13,864.03/19,132.41 = 7,576.54/x
  3. Step 3: Cross multiply
    13,864.03x = 19,132.41 × 7,576.54
  4. Step 4: Simplify right side
    13,864.03x = 144,957,469.66
  5. Step 5: Solve for x
    x = 144,957,469.66/13,864.03
  6. Step 6: Final answer
    x = 10,455.65

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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.