Home / 13,972.66-20,972.76-10,264.48

Finding the Fourth Proportional to 13,972.66, 20,972.76 and 10,264.48

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Solution

The fourth proportional to 13,972.66, 20,972.76 and 10,264.48 is: 15,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.66 : 20,972.76 = 10,264.48 : x
  2. Step 2: Convert to fraction form
    13,972.66/20,972.76 = 10,264.48/x
  3. Step 3: Cross multiply
    13,972.66x = 20,972.76 × 10,264.48
  4. Step 4: Simplify right side
    13,972.66x = 215,274,475.56
  5. Step 5: Solve for x
    x = 215,274,475.56/13,972.66
  6. Step 6: Final answer
    x = 15,406.84

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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.