Home / 16,963.15-23,407.98-9,408.78

Finding the Fourth Proportional to 16,963.15, 23,407.98 and 9,408.78

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Solution

The fourth proportional to 16,963.15, 23,407.98 and 9,408.78 is: 12,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.15 : 23,407.98 = 9,408.78 : x
  2. Step 2: Convert to fraction form
    16,963.15/23,407.98 = 9,408.78/x
  3. Step 3: Cross multiply
    16,963.15x = 23,407.98 × 9,408.78
  4. Step 4: Simplify right side
    16,963.15x = 220,240,534.06
  5. Step 5: Solve for x
    x = 220,240,534.06/16,963.15
  6. Step 6: Final answer
    x = 12,983.47

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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.