Home / 13,522.24-18,658.84-7,553.14

Finding the Fourth Proportional to 13,522.24, 18,658.84 and 7,553.14

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Solution

The fourth proportional to 13,522.24, 18,658.84 and 7,553.14 is: 10,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.24 : 18,658.84 = 7,553.14 : x
  2. Step 2: Convert to fraction form
    13,522.24/18,658.84 = 7,553.14/x
  3. Step 3: Cross multiply
    13,522.24x = 18,658.84 × 7,553.14
  4. Step 4: Simplify right side
    13,522.24x = 140,932,830.76
  5. Step 5: Solve for x
    x = 140,932,830.76/13,522.24
  6. Step 6: Final answer
    x = 10,422.30

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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.