Home / 13,960.45-19,265.41-7,992.10

Finding the Fourth Proportional to 13,960.45, 19,265.41 and 7,992.10

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Solution

The fourth proportional to 13,960.45, 19,265.41 and 7,992.10 is: 11,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.45 : 19,265.41 = 7,992.10 : x
  2. Step 2: Convert to fraction form
    13,960.45/19,265.41 = 7,992.10/x
  3. Step 3: Cross multiply
    13,960.45x = 19,265.41 × 7,992.10
  4. Step 4: Simplify right side
    13,960.45x = 153,971,083.26
  5. Step 5: Solve for x
    x = 153,971,083.26/13,960.45
  6. Step 6: Final answer
    x = 11,029.09

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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.