Home / 15,568.24-21,484.44-8,494.72

Finding the Fourth Proportional to 15,568.24, 21,484.44 and 8,494.72

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Solution

The fourth proportional to 15,568.24, 21,484.44 and 8,494.72 is: 11,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.24 : 21,484.44 = 8,494.72 : x
  2. Step 2: Convert to fraction form
    15,568.24/21,484.44 = 8,494.72/x
  3. Step 3: Cross multiply
    15,568.24x = 21,484.44 × 8,494.72
  4. Step 4: Simplify right side
    15,568.24x = 182,504,302.16
  5. Step 5: Solve for x
    x = 182,504,302.16/15,568.24
  6. Step 6: Final answer
    x = 11,722.86

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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.