Home / 19,379.89-26,744.24-10,996.39

Finding the Fourth Proportional to 19,379.89, 26,744.24 and 10,996.39

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Solution

The fourth proportional to 19,379.89, 26,744.24 and 10,996.39 is: 15,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.89 : 26,744.24 = 10,996.39 : x
  2. Step 2: Convert to fraction form
    19,379.89/26,744.24 = 10,996.39/x
  3. Step 3: Cross multiply
    19,379.89x = 26,744.24 × 10,996.39
  4. Step 4: Simplify right side
    19,379.89x = 294,090,154.21
  5. Step 5: Solve for x
    x = 294,090,154.21/19,379.89
  6. Step 6: Final answer
    x = 15,175.02

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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.