Home / 16,409.05-22,644.28-9,335.45

Finding the Fourth Proportional to 16,409.05, 22,644.28 and 9,335.45

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Solution

The fourth proportional to 16,409.05, 22,644.28 and 9,335.45 is: 12,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.05 : 22,644.28 = 9,335.45 : x
  2. Step 2: Convert to fraction form
    16,409.05/22,644.28 = 9,335.45/x
  3. Step 3: Cross multiply
    16,409.05x = 22,644.28 × 9,335.45
  4. Step 4: Simplify right side
    16,409.05x = 211,394,543.73
  5. Step 5: Solve for x
    x = 211,394,543.73/16,409.05
  6. Step 6: Final answer
    x = 12,882.80

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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.