Home / 19,644.11-27,109.53-10,691.93

Finding the Fourth Proportional to 19,644.11, 27,109.53 and 10,691.93

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Solution

The fourth proportional to 19,644.11, 27,109.53 and 10,691.93 is: 14,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.11 : 27,109.53 = 10,691.93 : x
  2. Step 2: Convert to fraction form
    19,644.11/27,109.53 = 10,691.93/x
  3. Step 3: Cross multiply
    19,644.11x = 27,109.53 × 10,691.93
  4. Step 4: Simplify right side
    19,644.11x = 289,853,061.55
  5. Step 5: Solve for x
    x = 289,853,061.55/19,644.11
  6. Step 6: Final answer
    x = 14,755.22

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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.