Home / 13,593.76-20,393.56-4,233.58

Finding the Fourth Proportional to 13,593.76, 20,393.56 and 4,233.58

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Solution

The fourth proportional to 13,593.76, 20,393.56 and 4,233.58 is: 6,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.76 : 20,393.56 = 4,233.58 : x
  2. Step 2: Convert to fraction form
    13,593.76/20,393.56 = 4,233.58/x
  3. Step 3: Cross multiply
    13,593.76x = 20,393.56 × 4,233.58
  4. Step 4: Simplify right side
    13,593.76x = 86,337,767.74
  5. Step 5: Solve for x
    x = 86,337,767.74/13,593.76
  6. Step 6: Final answer
    x = 6,351.28

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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.