Home / 13,850.05-19,122.21-8,552.65

Finding the Fourth Proportional to 13,850.05, 19,122.21 and 8,552.65

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Solution

The fourth proportional to 13,850.05, 19,122.21 and 8,552.65 is: 11,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.05 : 19,122.21 = 8,552.65 : x
  2. Step 2: Convert to fraction form
    13,850.05/19,122.21 = 8,552.65/x
  3. Step 3: Cross multiply
    13,850.05x = 19,122.21 × 8,552.65
  4. Step 4: Simplify right side
    13,850.05x = 163,545,569.36
  5. Step 5: Solve for x
    x = 163,545,569.36/13,850.05
  6. Step 6: Final answer
    x = 11,808.30

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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.