Home / 13,961.76-19,268.40-7,675.32

Finding the Fourth Proportional to 13,961.76, 19,268.40 and 7,675.32

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Solution

The fourth proportional to 13,961.76, 19,268.40 and 7,675.32 is: 10,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.76 : 19,268.40 = 7,675.32 : x
  2. Step 2: Convert to fraction form
    13,961.76/19,268.40 = 7,675.32/x
  3. Step 3: Cross multiply
    13,961.76x = 19,268.40 × 7,675.32
  4. Step 4: Simplify right side
    13,961.76x = 147,891,135.89
  5. Step 5: Solve for x
    x = 147,891,135.89/13,961.76
  6. Step 6: Final answer
    x = 10,592.59

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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.