Home / 20,367.60-30,525.76-11,607.44

Finding the Fourth Proportional to 20,367.60, 30,525.76 and 11,607.44

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Solution

The fourth proportional to 20,367.60, 30,525.76 and 11,607.44 is: 17,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.60 : 30,525.76 = 11,607.44 : x
  2. Step 2: Convert to fraction form
    20,367.60/30,525.76 = 11,607.44/x
  3. Step 3: Cross multiply
    20,367.60x = 30,525.76 × 11,607.44
  4. Step 4: Simplify right side
    20,367.60x = 354,325,927.65
  5. Step 5: Solve for x
    x = 354,325,927.65/20,367.60
  6. Step 6: Final answer
    x = 17,396.55

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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.