Home / 13,311.72-19,967.58-6,292.44

Finding the Fourth Proportional to 13,311.72, 19,967.58 and 6,292.44

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Solution

The fourth proportional to 13,311.72, 19,967.58 and 6,292.44 is: 9,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.72 : 19,967.58 = 6,292.44 : x
  2. Step 2: Convert to fraction form
    13,311.72/19,967.58 = 6,292.44/x
  3. Step 3: Cross multiply
    13,311.72x = 19,967.58 × 6,292.44
  4. Step 4: Simplify right side
    13,311.72x = 125,644,799.10
  5. Step 5: Solve for x
    x = 125,644,799.10/13,311.72
  6. Step 6: Final answer
    x = 9,438.66

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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.