Home / 17,121.41-25,690.26-11,864.51

Finding the Fourth Proportional to 17,121.41, 25,690.26 and 11,864.51

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Solution

The fourth proportional to 17,121.41, 25,690.26 and 11,864.51 is: 17,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.41 : 25,690.26 = 11,864.51 : x
  2. Step 2: Convert to fraction form
    17,121.41/25,690.26 = 11,864.51/x
  3. Step 3: Cross multiply
    17,121.41x = 25,690.26 × 11,864.51
  4. Step 4: Simplify right side
    17,121.41x = 304,802,346.67
  5. Step 5: Solve for x
    x = 304,802,346.67/17,121.41
  6. Step 6: Final answer
    x = 17,802.41

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1.5x scale

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.