Home / 16,137.55-22,267.75-9,418.31

Finding the Fourth Proportional to 16,137.55, 22,267.75 and 9,418.31

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Solution

The fourth proportional to 16,137.55, 22,267.75 and 9,418.31 is: 12,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,137.55 : 22,267.75 = 9,418.31 : x
  2. Step 2: Convert to fraction form
    16,137.55/22,267.75 = 9,418.31/x
  3. Step 3: Cross multiply
    16,137.55x = 22,267.75 × 9,418.31
  4. Step 4: Simplify right side
    16,137.55x = 209,724,414.07
  5. Step 5: Solve for x
    x = 209,724,414.07/16,137.55
  6. Step 6: Final answer
    x = 12,996.05

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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.