Home / 16,392.78-22,625.43-9,591.21

Finding the Fourth Proportional to 16,392.78, 22,625.43 and 9,591.21

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Solution

The fourth proportional to 16,392.78, 22,625.43 and 9,591.21 is: 13,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.78 : 22,625.43 = 9,591.21 : x
  2. Step 2: Convert to fraction form
    16,392.78/22,625.43 = 9,591.21/x
  3. Step 3: Cross multiply
    16,392.78x = 22,625.43 × 9,591.21
  4. Step 4: Simplify right side
    16,392.78x = 217,005,214.50
  5. Step 5: Solve for x
    x = 217,005,214.50/16,392.78
  6. Step 6: Final answer
    x = 13,237.85

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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.