Home / 15,568.41-21,484.11-8,494.83

Finding the Fourth Proportional to 15,568.41, 21,484.11 and 8,494.83

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Solution

The fourth proportional to 15,568.41, 21,484.11 and 8,494.83 is: 11,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.41 : 21,484.11 = 8,494.83 : x
  2. Step 2: Convert to fraction form
    15,568.41/21,484.11 = 8,494.83/x
  3. Step 3: Cross multiply
    15,568.41x = 21,484.11 × 8,494.83
  4. Step 4: Simplify right side
    15,568.41x = 182,503,862.15
  5. Step 5: Solve for x
    x = 182,503,862.15/15,568.41
  6. Step 6: Final answer
    x = 11,722.70

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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.