Home / 13,799.08-19,042.68-7,511.44

Finding the Fourth Proportional to 13,799.08, 19,042.68 and 7,511.44

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Solution

The fourth proportional to 13,799.08, 19,042.68 and 7,511.44 is: 10,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.08 : 19,042.68 = 7,511.44 : x
  2. Step 2: Convert to fraction form
    13,799.08/19,042.68 = 7,511.44/x
  3. Step 3: Cross multiply
    13,799.08x = 19,042.68 × 7,511.44
  4. Step 4: Simplify right side
    13,799.08x = 143,037,948.26
  5. Step 5: Solve for x
    x = 143,037,948.26/13,799.08
  6. Step 6: Final answer
    x = 10,365.76

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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.