Home / 53,604.20-80,406.30-14,165.30

Finding the Fourth Proportional to 53,604.20, 80,406.30 and 14,165.30

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Solution

The fourth proportional to 53,604.20, 80,406.30 and 14,165.30 is: 21,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,604.20 : 80,406.30 = 14,165.30 : x
  2. Step 2: Convert to fraction form
    53,604.20/80,406.30 = 14,165.30/x
  3. Step 3: Cross multiply
    53,604.20x = 80,406.30 × 14,165.30
  4. Step 4: Simplify right side
    53,604.20x = 1,138,979,361.39
  5. Step 5: Solve for x
    x = 1,138,979,361.39/53,604.20
  6. Step 6: Final answer
    x = 21,247.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.