Home / 13,961.30-19,266.26-7,587.72

Finding the Fourth Proportional to 13,961.30, 19,266.26 and 7,587.72

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Solution

The fourth proportional to 13,961.30, 19,266.26 and 7,587.72 is: 10,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.30 : 19,266.26 = 7,587.72 : x
  2. Step 2: Convert to fraction form
    13,961.30/19,266.26 = 7,587.72/x
  3. Step 3: Cross multiply
    13,961.30x = 19,266.26 × 7,587.72
  4. Step 4: Simplify right side
    13,961.30x = 146,186,948.39
  5. Step 5: Solve for x
    x = 146,186,948.39/13,961.30
  6. Step 6: Final answer
    x = 10,470.87

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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.