Home / 14,783.22-20,401.20-8,816.04

Finding the Fourth Proportional to 14,783.22, 20,401.20 and 8,816.04

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Solution

The fourth proportional to 14,783.22, 20,401.20 and 8,816.04 is: 12,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.22 : 20,401.20 = 8,816.04 : x
  2. Step 2: Convert to fraction form
    14,783.22/20,401.20 = 8,816.04/x
  3. Step 3: Cross multiply
    14,783.22x = 20,401.20 × 8,816.04
  4. Step 4: Simplify right side
    14,783.22x = 179,857,795.25
  5. Step 5: Solve for x
    x = 179,857,795.25/14,783.22
  6. Step 6: Final answer
    x = 12,166.35

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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.