Home / 15,568.39-21,483.66-8,494.66

Finding the Fourth Proportional to 15,568.39, 21,483.66 and 8,494.66

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Solution

The fourth proportional to 15,568.39, 21,483.66 and 8,494.66 is: 11,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.39 : 21,483.66 = 8,494.66 : x
  2. Step 2: Convert to fraction form
    15,568.39/21,483.66 = 8,494.66/x
  3. Step 3: Cross multiply
    15,568.39x = 21,483.66 × 8,494.66
  4. Step 4: Simplify right side
    15,568.39x = 182,496,387.26
  5. Step 5: Solve for x
    x = 182,496,387.26/15,568.39
  6. Step 6: Final answer
    x = 11,722.24

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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.