Home / 13,949.85-19,251-7,576.47

Finding the Fourth Proportional to 13,949.85, 19,251 and 7,576.47

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Solution

The fourth proportional to 13,949.85, 19,251 and 7,576.47 is: 10,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.85 : 19,251 = 7,576.47 : x
  2. Step 2: Convert to fraction form
    13,949.85/19,251 = 7,576.47/x
  3. Step 3: Cross multiply
    13,949.85x = 19,251 × 7,576.47
  4. Step 4: Simplify right side
    13,949.85x = 145,854,623.97
  5. Step 5: Solve for x
    x = 145,854,623.97/13,949.85
  6. Step 6: Final answer
    x = 10,455.64

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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.