Home / 13,728.98-20,588.60-5,933.54

Finding the Fourth Proportional to 13,728.98, 20,588.60 and 5,933.54

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Solution

The fourth proportional to 13,728.98, 20,588.60 and 5,933.54 is: 8,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.98 : 20,588.60 = 5,933.54 : x
  2. Step 2: Convert to fraction form
    13,728.98/20,588.60 = 5,933.54/x
  3. Step 3: Cross multiply
    13,728.98x = 20,588.60 × 5,933.54
  4. Step 4: Simplify right side
    13,728.98x = 122,163,347.95
  5. Step 5: Solve for x
    x = 122,163,347.95/13,728.98
  6. Step 6: Final answer
    x = 8,898.21

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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.