Home / 13,251.35-19,875.99-5,856.05

Finding the Fourth Proportional to 13,251.35, 19,875.99 and 5,856.05

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Solution

The fourth proportional to 13,251.35, 19,875.99 and 5,856.05 is: 8,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.35 : 19,875.99 = 5,856.05 : x
  2. Step 2: Convert to fraction form
    13,251.35/19,875.99 = 5,856.05/x
  3. Step 3: Cross multiply
    13,251.35x = 19,875.99 × 5,856.05
  4. Step 4: Simplify right side
    13,251.35x = 116,394,791.24
  5. Step 5: Solve for x
    x = 116,394,791.24/13,251.35
  6. Step 6: Final answer
    x = 8,783.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.