Home / 12,462.06-18,693.03-11,839.14

Finding the Fourth Proportional to 12,462.06, 18,693.03 and 11,839.14

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Solution

The fourth proportional to 12,462.06, 18,693.03 and 11,839.14 is: 17,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.06 : 18,693.03 = 11,839.14 : x
  2. Step 2: Convert to fraction form
    12,462.06/18,693.03 = 11,839.14/x
  3. Step 3: Cross multiply
    12,462.06x = 18,693.03 × 11,839.14
  4. Step 4: Simplify right side
    12,462.06x = 221,309,399.19
  5. Step 5: Solve for x
    x = 221,309,399.19/12,462.06
  6. Step 6: Final answer
    x = 17,758.65

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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.