Home / 13,299.16-18,344.13-8,192.06

Finding the Fourth Proportional to 13,299.16, 18,344.13 and 8,192.06

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Solution

The fourth proportional to 13,299.16, 18,344.13 and 8,192.06 is: 11,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.16 : 18,344.13 = 8,192.06 : x
  2. Step 2: Convert to fraction form
    13,299.16/18,344.13 = 8,192.06/x
  3. Step 3: Cross multiply
    13,299.16x = 18,344.13 × 8,192.06
  4. Step 4: Simplify right side
    13,299.16x = 150,276,190.68
  5. Step 5: Solve for x
    x = 150,276,190.68/13,299.16
  6. Step 6: Final answer
    x = 11,299.68

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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.