Home / 17,309.47-23,890.17-16,520.63

Finding the Fourth Proportional to 17,309.47, 23,890.17 and 16,520.63

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Solution

The fourth proportional to 17,309.47, 23,890.17 and 16,520.63 is: 22,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.47 : 23,890.17 = 16,520.63 : x
  2. Step 2: Convert to fraction form
    17,309.47/23,890.17 = 16,520.63/x
  3. Step 3: Cross multiply
    17,309.47x = 23,890.17 × 16,520.63
  4. Step 4: Simplify right side
    17,309.47x = 394,680,640.78
  5. Step 5: Solve for x
    x = 394,680,640.78/17,309.47
  6. Step 6: Final answer
    x = 22,801.43

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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.