Home / 16,035.64-22,128.30-8,960.70

Finding the Fourth Proportional to 16,035.64, 22,128.30 and 8,960.70

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Solution

The fourth proportional to 16,035.64, 22,128.30 and 8,960.70 is: 12,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.64 : 22,128.30 = 8,960.70 : x
  2. Step 2: Convert to fraction form
    16,035.64/22,128.30 = 8,960.70/x
  3. Step 3: Cross multiply
    16,035.64x = 22,128.30 × 8,960.70
  4. Step 4: Simplify right side
    16,035.64x = 198,285,057.81
  5. Step 5: Solve for x
    x = 198,285,057.81/16,035.64
  6. Step 6: Final answer
    x = 12,365.27

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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.