Home / 19,242.97-26,553.90-11,172.94

Finding the Fourth Proportional to 19,242.97, 26,553.90 and 11,172.94

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Solution

The fourth proportional to 19,242.97, 26,553.90 and 11,172.94 is: 15,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.97 : 26,553.90 = 11,172.94 : x
  2. Step 2: Convert to fraction form
    19,242.97/26,553.90 = 11,172.94/x
  3. Step 3: Cross multiply
    19,242.97x = 26,553.90 × 11,172.94
  4. Step 4: Simplify right side
    19,242.97x = 296,685,131.47
  5. Step 5: Solve for x
    x = 296,685,131.47/19,242.97
  6. Step 6: Final answer
    x = 15,417.85

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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.