Home / 16,398.79-22,626.44-9,329.11

Finding the Fourth Proportional to 16,398.79, 22,626.44 and 9,329.11

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Solution

The fourth proportional to 16,398.79, 22,626.44 and 9,329.11 is: 12,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398.79 : 22,626.44 = 9,329.11 : x
  2. Step 2: Convert to fraction form
    16,398.79/22,626.44 = 9,329.11/x
  3. Step 3: Cross multiply
    16,398.79x = 22,626.44 × 9,329.11
  4. Step 4: Simplify right side
    16,398.79x = 211,084,479.44
  5. Step 5: Solve for x
    x = 211,084,479.44/16,398.79
  6. Step 6: Final answer
    x = 12,871.96

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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.