Home / 13,799.05-19,042.14-7,511.43

Finding the Fourth Proportional to 13,799.05, 19,042.14 and 7,511.43

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Solution

The fourth proportional to 13,799.05, 19,042.14 and 7,511.43 is: 10,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.05 : 19,042.14 = 7,511.43 : x
  2. Step 2: Convert to fraction form
    13,799.05/19,042.14 = 7,511.43/x
  3. Step 3: Cross multiply
    13,799.05x = 19,042.14 × 7,511.43
  4. Step 4: Simplify right side
    13,799.05x = 143,033,701.66
  5. Step 5: Solve for x
    x = 143,033,701.66/13,799.05
  6. Step 6: Final answer
    x = 10,365.47

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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.