Home / 13,051.82-19,553.12-10,115.77

Finding the Fourth Proportional to 13,051.82, 19,553.12 and 10,115.77

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Solution

The fourth proportional to 13,051.82, 19,553.12 and 10,115.77 is: 15,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.82 : 19,553.12 = 10,115.77 : x
  2. Step 2: Convert to fraction form
    13,051.82/19,553.12 = 10,115.77/x
  3. Step 3: Cross multiply
    13,051.82x = 19,553.12 × 10,115.77
  4. Step 4: Simplify right side
    13,051.82x = 197,794,864.70
  5. Step 5: Solve for x
    x = 197,794,864.70/13,051.82
  6. Step 6: Final answer
    x = 15,154.58

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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.