Home / 19,438.64-29,147.60-7,596.44

Finding the Fourth Proportional to 19,438.64, 29,147.60 and 7,596.44

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Solution

The fourth proportional to 19,438.64, 29,147.60 and 7,596.44 is: 11,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.64 : 29,147.60 = 7,596.44 : x
  2. Step 2: Convert to fraction form
    19,438.64/29,147.60 = 7,596.44/x
  3. Step 3: Cross multiply
    19,438.64x = 29,147.60 × 7,596.44
  4. Step 4: Simplify right side
    19,438.64x = 221,417,994.54
  5. Step 5: Solve for x
    x = 221,417,994.54/19,438.64
  6. Step 6: Final answer
    x = 11,390.61

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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.