Home / 14,697.36-20,282.13-8,236.90

Finding the Fourth Proportional to 14,697.36, 20,282.13 and 8,236.90

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Solution

The fourth proportional to 14,697.36, 20,282.13 and 8,236.90 is: 11,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.36 : 20,282.13 = 8,236.90 : x
  2. Step 2: Convert to fraction form
    14,697.36/20,282.13 = 8,236.90/x
  3. Step 3: Cross multiply
    14,697.36x = 20,282.13 × 8,236.90
  4. Step 4: Simplify right side
    14,697.36x = 167,061,844.91
  5. Step 5: Solve for x
    x = 167,061,844.91/14,697.36
  6. Step 6: Final answer
    x = 11,366.79

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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.