Home / 20,593.41-28,418.93-11,640.94

Finding the Fourth Proportional to 20,593.41, 28,418.93 and 11,640.94

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Solution

The fourth proportional to 20,593.41, 28,418.93 and 11,640.94 is: 16,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.41 : 28,418.93 = 11,640.94 : x
  2. Step 2: Convert to fraction form
    20,593.41/28,418.93 = 11,640.94/x
  3. Step 3: Cross multiply
    20,593.41x = 28,418.93 × 11,640.94
  4. Step 4: Simplify right side
    20,593.41x = 330,823,058.99
  5. Step 5: Solve for x
    x = 330,823,058.99/20,593.41
  6. Step 6: Final answer
    x = 16,064.51

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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.