Home / 20,593.04-28,418.40-11,161.64

Finding the Fourth Proportional to 20,593.04, 28,418.40 and 11,161.64

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Solution

The fourth proportional to 20,593.04, 28,418.40 and 11,161.64 is: 15,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.04 : 28,418.40 = 11,161.64 : x
  2. Step 2: Convert to fraction form
    20,593.04/28,418.40 = 11,161.64/x
  3. Step 3: Cross multiply
    20,593.04x = 28,418.40 × 11,161.64
  4. Step 4: Simplify right side
    20,593.04x = 317,195,950.18
  5. Step 5: Solve for x
    x = 317,195,950.18/20,593.04
  6. Step 6: Final answer
    x = 15,403.07

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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.