Home / 13,913.36-19,199.90-7,625.73

Finding the Fourth Proportional to 13,913.36, 19,199.90 and 7,625.73

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Solution

The fourth proportional to 13,913.36, 19,199.90 and 7,625.73 is: 10,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.36 : 19,199.90 = 7,625.73 : x
  2. Step 2: Convert to fraction form
    13,913.36/19,199.90 = 7,625.73/x
  3. Step 3: Cross multiply
    13,913.36x = 19,199.90 × 7,625.73
  4. Step 4: Simplify right side
    13,913.36x = 146,413,253.43
  5. Step 5: Solve for x
    x = 146,413,253.43/13,913.36
  6. Step 6: Final answer
    x = 10,523.21

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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.