Home / 19,372.50-26,735.67-10,990.62

Finding the Fourth Proportional to 19,372.50, 26,735.67 and 10,990.62

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Solution

The fourth proportional to 19,372.50, 26,735.67 and 10,990.62 is: 15,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.50 : 26,735.67 = 10,990.62 : x
  2. Step 2: Convert to fraction form
    19,372.50/26,735.67 = 10,990.62/x
  3. Step 3: Cross multiply
    19,372.50x = 26,735.67 × 10,990.62
  4. Step 4: Simplify right side
    19,372.50x = 293,841,589.42
  5. Step 5: Solve for x
    x = 293,841,589.42/19,372.50
  6. Step 6: Final answer
    x = 15,167.97

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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.