Home / 13,799.26-19,043.44-7,750.57

Finding the Fourth Proportional to 13,799.26, 19,043.44 and 7,750.57

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Solution

The fourth proportional to 13,799.26, 19,043.44 and 7,750.57 is: 10,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.26 : 19,043.44 = 7,750.57 : x
  2. Step 2: Convert to fraction form
    13,799.26/19,043.44 = 7,750.57/x
  3. Step 3: Cross multiply
    13,799.26x = 19,043.44 × 7,750.57
  4. Step 4: Simplify right side
    13,799.26x = 147,597,513.90
  5. Step 5: Solve for x
    x = 147,597,513.90/13,799.26
  6. Step 6: Final answer
    x = 10,696.04

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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.