Home / 17,309.97-23,890.86-16,521.13

Finding the Fourth Proportional to 17,309.97, 23,890.86 and 16,521.13

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Solution

The fourth proportional to 17,309.97, 23,890.86 and 16,521.13 is: 22,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.97 : 23,890.86 = 16,521.13 : x
  2. Step 2: Convert to fraction form
    17,309.97/23,890.86 = 16,521.13/x
  3. Step 3: Cross multiply
    17,309.97x = 23,890.86 × 16,521.13
  4. Step 4: Simplify right side
    17,309.97x = 394,704,003.87
  5. Step 5: Solve for x
    x = 394,704,003.87/17,309.97
  6. Step 6: Final answer
    x = 22,802.12

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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.