Home / 15,568.46-21,483.90-8,494.73

Finding the Fourth Proportional to 15,568.46, 21,483.90 and 8,494.73

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Solution

The fourth proportional to 15,568.46, 21,483.90 and 8,494.73 is: 11,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.46 : 21,483.90 = 8,494.73 : x
  2. Step 2: Convert to fraction form
    15,568.46/21,483.90 = 8,494.73/x
  3. Step 3: Cross multiply
    15,568.46x = 21,483.90 × 8,494.73
  4. Step 4: Simplify right side
    15,568.46x = 182,499,929.85
  5. Step 5: Solve for x
    x = 182,499,929.85/15,568.46
  6. Step 6: Final answer
    x = 11,722.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.