Home / 16,390.17-22,612.60-9,672.44

Finding the Fourth Proportional to 16,390.17, 22,612.60 and 9,672.44

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Solution

The fourth proportional to 16,390.17, 22,612.60 and 9,672.44 is: 13,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.17 : 22,612.60 = 9,672.44 : x
  2. Step 2: Convert to fraction form
    16,390.17/22,612.60 = 9,672.44/x
  3. Step 3: Cross multiply
    16,390.17x = 22,612.60 × 9,672.44
  4. Step 4: Simplify right side
    16,390.17x = 218,718,855.32
  5. Step 5: Solve for x
    x = 218,718,855.32/16,390.17
  6. Step 6: Final answer
    x = 13,344.51

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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.