Home / 17,712.66-26,359.89-17,122.08

Finding the Fourth Proportional to 17,712.66, 26,359.89 and 17,122.08

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Solution

The fourth proportional to 17,712.66, 26,359.89 and 17,122.08 is: 25,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.66 : 26,359.89 = 17,122.08 : x
  2. Step 2: Convert to fraction form
    17,712.66/26,359.89 = 17,122.08/x
  3. Step 3: Cross multiply
    17,712.66x = 26,359.89 × 17,122.08
  4. Step 4: Simplify right side
    17,712.66x = 451,336,145.37
  5. Step 5: Solve for x
    x = 451,336,145.37/17,712.66
  6. Step 6: Final answer
    x = 25,480.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.