Home / 16,224.35-22,389.60-8,772.35

Finding the Fourth Proportional to 16,224.35, 22,389.60 and 8,772.35

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Solution

The fourth proportional to 16,224.35, 22,389.60 and 8,772.35 is: 12,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,224.35 : 22,389.60 = 8,772.35 : x
  2. Step 2: Convert to fraction form
    16,224.35/22,389.60 = 8,772.35/x
  3. Step 3: Cross multiply
    16,224.35x = 22,389.60 × 8,772.35
  4. Step 4: Simplify right side
    16,224.35x = 196,409,251.75
  5. Step 5: Solve for x
    x = 196,409,251.75/16,224.35
  6. Step 6: Final answer
    x = 12,105.84

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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.