Home / 19,654.67-27,125.83-11,159.43

Finding the Fourth Proportional to 19,654.67, 27,125.83 and 11,159.43

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Solution

The fourth proportional to 19,654.67, 27,125.83 and 11,159.43 is: 15,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.67 : 27,125.83 = 11,159.43 : x
  2. Step 2: Convert to fraction form
    19,654.67/27,125.83 = 11,159.43/x
  3. Step 3: Cross multiply
    19,654.67x = 27,125.83 × 11,159.43
  4. Step 4: Simplify right side
    19,654.67x = 302,708,916.75
  5. Step 5: Solve for x
    x = 302,708,916.75/19,654.67
  6. Step 6: Final answer
    x = 15,401.37

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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.