Home / 13,522.33-18,659.48-7,553.87

Finding the Fourth Proportional to 13,522.33, 18,659.48 and 7,553.87

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Solution

The fourth proportional to 13,522.33, 18,659.48 and 7,553.87 is: 10,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.33 : 18,659.48 = 7,553.87 : x
  2. Step 2: Convert to fraction form
    13,522.33/18,659.48 = 7,553.87/x
  3. Step 3: Cross multiply
    13,522.33x = 18,659.48 × 7,553.87
  4. Step 4: Simplify right side
    13,522.33x = 140,951,286.19
  5. Step 5: Solve for x
    x = 140,951,286.19/13,522.33
  6. Step 6: Final answer
    x = 10,423.59

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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.