Home / 18,216.14-25,252.91-17,218.32

Finding the Fourth Proportional to 18,216.14, 25,252.91 and 17,218.32

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Solution

The fourth proportional to 18,216.14, 25,252.91 and 17,218.32 is: 23,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.14 : 25,252.91 = 17,218.32 : x
  2. Step 2: Convert to fraction form
    18,216.14/25,252.91 = 17,218.32/x
  3. Step 3: Cross multiply
    18,216.14x = 25,252.91 × 17,218.32
  4. Step 4: Simplify right side
    18,216.14x = 434,812,642.27
  5. Step 5: Solve for x
    x = 434,812,642.27/18,216.14
  6. Step 6: Final answer
    x = 23,869.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.