Home / 13,600.88-20,401.56-4,835.84

Finding the Fourth Proportional to 13,600.88, 20,401.56 and 4,835.84

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Solution

The fourth proportional to 13,600.88, 20,401.56 and 4,835.84 is: 7,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.88 : 20,401.56 = 4,835.84 : x
  2. Step 2: Convert to fraction form
    13,600.88/20,401.56 = 4,835.84/x
  3. Step 3: Cross multiply
    13,600.88x = 20,401.56 × 4,835.84
  4. Step 4: Simplify right side
    13,600.88x = 98,658,679.91
  5. Step 5: Solve for x
    x = 98,658,679.91/13,600.88
  6. Step 6: Final answer
    x = 7,253.85

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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.