Home / 17,399.22-23,993.28-14,889.66

Finding the Fourth Proportional to 17,399.22, 23,993.28 and 14,889.66

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Solution

The fourth proportional to 17,399.22, 23,993.28 and 14,889.66 is: 20,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.22 : 23,993.28 = 14,889.66 : x
  2. Step 2: Convert to fraction form
    17,399.22/23,993.28 = 14,889.66/x
  3. Step 3: Cross multiply
    17,399.22x = 23,993.28 × 14,889.66
  4. Step 4: Simplify right side
    17,399.22x = 357,251,781.48
  5. Step 5: Solve for x
    x = 357,251,781.48/17,399.22
  6. Step 6: Final answer
    x = 20,532.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.