Home / 13,850.60-19,112.29-7,799.69

Finding the Fourth Proportional to 13,850.60, 19,112.29 and 7,799.69

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Solution

The fourth proportional to 13,850.60, 19,112.29 and 7,799.69 is: 10,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.60 : 19,112.29 = 7,799.69 : x
  2. Step 2: Convert to fraction form
    13,850.60/19,112.29 = 7,799.69/x
  3. Step 3: Cross multiply
    13,850.60x = 19,112.29 × 7,799.69
  4. Step 4: Simplify right side
    13,850.60x = 149,069,965.47
  5. Step 5: Solve for x
    x = 149,069,965.47/13,850.60
  6. Step 6: Final answer
    x = 10,762.71

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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.