Home / 15,467.45-21,344.96-8,393.72

Finding the Fourth Proportional to 15,467.45, 21,344.96 and 8,393.72

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Solution

The fourth proportional to 15,467.45, 21,344.96 and 8,393.72 is: 11,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.45 : 21,344.96 = 8,393.72 : x
  2. Step 2: Convert to fraction form
    15,467.45/21,344.96 = 8,393.72/x
  3. Step 3: Cross multiply
    15,467.45x = 21,344.96 × 8,393.72
  4. Step 4: Simplify right side
    15,467.45x = 179,163,531.91
  5. Step 5: Solve for x
    x = 179,163,531.91/15,467.45
  6. Step 6: Final answer
    x = 11,583.27

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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.