Home / 18,371.67-25,345.36-11,996.06

Finding the Fourth Proportional to 18,371.67, 25,345.36 and 11,996.06

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Solution

The fourth proportional to 18,371.67, 25,345.36 and 11,996.06 is: 16,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.67 : 25,345.36 = 11,996.06 : x
  2. Step 2: Convert to fraction form
    18,371.67/25,345.36 = 11,996.06/x
  3. Step 3: Cross multiply
    18,371.67x = 25,345.36 × 11,996.06
  4. Step 4: Simplify right side
    18,371.67x = 304,044,459.28
  5. Step 5: Solve for x
    x = 304,044,459.28/18,371.67
  6. Step 6: Final answer
    x = 16,549.64

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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.