Home / 18,109.48-24,999.26-11,404.95

Finding the Fourth Proportional to 18,109.48, 24,999.26 and 11,404.95

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Solution

The fourth proportional to 18,109.48, 24,999.26 and 11,404.95 is: 15,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.48 : 24,999.26 = 11,404.95 : x
  2. Step 2: Convert to fraction form
    18,109.48/24,999.26 = 11,404.95/x
  3. Step 3: Cross multiply
    18,109.48x = 24,999.26 × 11,404.95
  4. Step 4: Simplify right side
    18,109.48x = 285,115,128.32
  5. Step 5: Solve for x
    x = 285,115,128.32/18,109.48
  6. Step 6: Final answer
    x = 15,743.98

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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.