Home / 15,553.11-23,322.38-5,685.49

Finding the Fourth Proportional to 15,553.11, 23,322.38 and 5,685.49

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Solution

The fourth proportional to 15,553.11, 23,322.38 and 5,685.49 is: 8,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.11 : 23,322.38 = 5,685.49 : x
  2. Step 2: Convert to fraction form
    15,553.11/23,322.38 = 5,685.49/x
  3. Step 3: Cross multiply
    15,553.11x = 23,322.38 × 5,685.49
  4. Step 4: Simplify right side
    15,553.11x = 132,599,190.97
  5. Step 5: Solve for x
    x = 132,599,190.97/15,553.11
  6. Step 6: Final answer
    x = 8,525.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.