Home / 14,816.80-20,446.32-8,529.04

Finding the Fourth Proportional to 14,816.80, 20,446.32 and 8,529.04

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Solution

The fourth proportional to 14,816.80, 20,446.32 and 8,529.04 is: 11,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.80 : 20,446.32 = 8,529.04 : x
  2. Step 2: Convert to fraction form
    14,816.80/20,446.32 = 8,529.04/x
  3. Step 3: Cross multiply
    14,816.80x = 20,446.32 × 8,529.04
  4. Step 4: Simplify right side
    14,816.80x = 174,387,481.13
  5. Step 5: Solve for x
    x = 174,387,481.13/14,816.80
  6. Step 6: Final answer
    x = 11,769.58

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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.