Home / 13,192.13-18,207.30-7,606.37

Finding the Fourth Proportional to 13,192.13, 18,207.30 and 7,606.37

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Solution

The fourth proportional to 13,192.13, 18,207.30 and 7,606.37 is: 10,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.13 : 18,207.30 = 7,606.37 : x
  2. Step 2: Convert to fraction form
    13,192.13/18,207.30 = 7,606.37/x
  3. Step 3: Cross multiply
    13,192.13x = 18,207.30 × 7,606.37
  4. Step 4: Simplify right side
    13,192.13x = 138,491,369.46
  5. Step 5: Solve for x
    x = 138,491,369.46/13,192.13
  6. Step 6: Final answer
    x = 10,498.03

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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.