Home / 17,112.19-23,625.94-15,316.56

Finding the Fourth Proportional to 17,112.19, 23,625.94 and 15,316.56

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Solution

The fourth proportional to 17,112.19, 23,625.94 and 15,316.56 is: 21,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.19 : 23,625.94 = 15,316.56 : x
  2. Step 2: Convert to fraction form
    17,112.19/23,625.94 = 15,316.56/x
  3. Step 3: Cross multiply
    17,112.19x = 23,625.94 × 15,316.56
  4. Step 4: Simplify right side
    17,112.19x = 361,868,127.57
  5. Step 5: Solve for x
    x = 361,868,127.57/17,112.19
  6. Step 6: Final answer
    x = 21,146.80

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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.