Home / 16,135.98-22,252.41-12,155.64

Finding the Fourth Proportional to 16,135.98, 22,252.41 and 12,155.64

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Solution

The fourth proportional to 16,135.98, 22,252.41 and 12,155.64 is: 16,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.98 : 22,252.41 = 12,155.64 : x
  2. Step 2: Convert to fraction form
    16,135.98/22,252.41 = 12,155.64/x
  3. Step 3: Cross multiply
    16,135.98x = 22,252.41 × 12,155.64
  4. Step 4: Simplify right side
    16,135.98x = 270,492,285.09
  5. Step 5: Solve for x
    x = 270,492,285.09/16,135.98
  6. Step 6: Final answer
    x = 16,763.30

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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.