Home / 13,964.52-20,953.61-6,569.72

Finding the Fourth Proportional to 13,964.52, 20,953.61 and 6,569.72

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Solution

The fourth proportional to 13,964.52, 20,953.61 and 6,569.72 is: 9,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.52 : 20,953.61 = 6,569.72 : x
  2. Step 2: Convert to fraction form
    13,964.52/20,953.61 = 6,569.72/x
  3. Step 3: Cross multiply
    13,964.52x = 20,953.61 × 6,569.72
  4. Step 4: Simplify right side
    13,964.52x = 137,659,350.69
  5. Step 5: Solve for x
    x = 137,659,350.69/13,964.52
  6. Step 6: Final answer
    x = 9,857.79

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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.