Home / 16,138.80-22,272.12-9,063.54

Finding the Fourth Proportional to 16,138.80, 22,272.12 and 9,063.54

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Solution

The fourth proportional to 16,138.80, 22,272.12 and 9,063.54 is: 12,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.80 : 22,272.12 = 9,063.54 : x
  2. Step 2: Convert to fraction form
    16,138.80/22,272.12 = 9,063.54/x
  3. Step 3: Cross multiply
    16,138.80x = 22,272.12 × 9,063.54
  4. Step 4: Simplify right side
    16,138.80x = 201,864,250.50
  5. Step 5: Solve for x
    x = 201,864,250.50/16,138.80
  6. Step 6: Final answer
    x = 12,508.01

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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.