Home / 13,236.11-18,265.74-7,267.88

Finding the Fourth Proportional to 13,236.11, 18,265.74 and 7,267.88

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Solution

The fourth proportional to 13,236.11, 18,265.74 and 7,267.88 is: 10,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.11 : 18,265.74 = 7,267.88 : x
  2. Step 2: Convert to fraction form
    13,236.11/18,265.74 = 7,267.88/x
  3. Step 3: Cross multiply
    13,236.11x = 18,265.74 × 7,267.88
  4. Step 4: Simplify right side
    13,236.11x = 132,753,206.43
  5. Step 5: Solve for x
    x = 132,753,206.43/13,236.11
  6. Step 6: Final answer
    x = 10,029.62

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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.