Home / 15,103.89-22,635.14-11,403.09

Finding the Fourth Proportional to 15,103.89, 22,635.14 and 11,403.09

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Solution

The fourth proportional to 15,103.89, 22,635.14 and 11,403.09 is: 17,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.89 : 22,635.14 = 11,403.09 : x
  2. Step 2: Convert to fraction form
    15,103.89/22,635.14 = 11,403.09/x
  3. Step 3: Cross multiply
    15,103.89x = 22,635.14 × 11,403.09
  4. Step 4: Simplify right side
    15,103.89x = 258,110,481.57
  5. Step 5: Solve for x
    x = 258,110,481.57/15,103.89
  6. Step 6: Final answer
    x = 17,089.01

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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.