Home / 15,781.14-23,649.15-11,588.25

Finding the Fourth Proportional to 15,781.14, 23,649.15 and 11,588.25

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Solution

The fourth proportional to 15,781.14, 23,649.15 and 11,588.25 is: 17,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.14 : 23,649.15 = 11,588.25 : x
  2. Step 2: Convert to fraction form
    15,781.14/23,649.15 = 11,588.25/x
  3. Step 3: Cross multiply
    15,781.14x = 23,649.15 × 11,588.25
  4. Step 4: Simplify right side
    15,781.14x = 274,052,262.49
  5. Step 5: Solve for x
    x = 274,052,262.49/15,781.14
  6. Step 6: Final answer
    x = 17,365.81

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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.