Home / 13,596.97-20,397.48-4,237.87

Finding the Fourth Proportional to 13,596.97, 20,397.48 and 4,237.87

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Solution

The fourth proportional to 13,596.97, 20,397.48 and 4,237.87 is: 6,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.97 : 20,397.48 = 4,237.87 : x
  2. Step 2: Convert to fraction form
    13,596.97/20,397.48 = 4,237.87/x
  3. Step 3: Cross multiply
    13,596.97x = 20,397.48 × 4,237.87
  4. Step 4: Simplify right side
    13,596.97x = 86,441,868.57
  5. Step 5: Solve for x
    x = 86,441,868.57/13,596.97
  6. Step 6: Final answer
    x = 6,357.44

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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.