Home / 14,474.87-21,700.00-13,785.97

Finding the Fourth Proportional to 14,474.87, 21,700.00 and 13,785.97

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Solution

The fourth proportional to 14,474.87, 21,700.00 and 13,785.97 is: 20,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.87 : 21,700.00 = 13,785.97 : x
  2. Step 2: Convert to fraction form
    14,474.87/21,700.00 = 13,785.97/x
  3. Step 3: Cross multiply
    14,474.87x = 21,700.00 × 13,785.97
  4. Step 4: Simplify right side
    14,474.87x = 299,155,371.57
  5. Step 5: Solve for x
    x = 299,155,371.57/14,474.87
  6. Step 6: Final answer
    x = 20,667.22

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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.