Home / 18,700.11-27,984.38-11,683.44

Finding the Fourth Proportional to 18,700.11, 27,984.38 and 11,683.44

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Solution

The fourth proportional to 18,700.11, 27,984.38 and 11,683.44 is: 17,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.11 : 27,984.38 = 11,683.44 : x
  2. Step 2: Convert to fraction form
    18,700.11/27,984.38 = 11,683.44/x
  3. Step 3: Cross multiply
    18,700.11x = 27,984.38 × 11,683.44
  4. Step 4: Simplify right side
    18,700.11x = 326,953,766.25
  5. Step 5: Solve for x
    x = 326,953,766.25/18,700.11
  6. Step 6: Final answer
    x = 17,484.06

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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.