Home / 20,126.25-27,777.51-11,741.13

Finding the Fourth Proportional to 20,126.25, 27,777.51 and 11,741.13

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Solution

The fourth proportional to 20,126.25, 27,777.51 and 11,741.13 is: 16,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.25 : 27,777.51 = 11,741.13 : x
  2. Step 2: Convert to fraction form
    20,126.25/27,777.51 = 11,741.13/x
  3. Step 3: Cross multiply
    20,126.25x = 27,777.51 × 11,741.13
  4. Step 4: Simplify right side
    20,126.25x = 326,139,355.99
  5. Step 5: Solve for x
    x = 326,139,355.99/20,126.25
  6. Step 6: Final answer
    x = 16,204.68

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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.