Home / 16,353.94-22,568.20-9,639.84

Finding the Fourth Proportional to 16,353.94, 22,568.20 and 9,639.84

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Solution

The fourth proportional to 16,353.94, 22,568.20 and 9,639.84 is: 13,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,353.94 : 22,568.20 = 9,639.84 : x
  2. Step 2: Convert to fraction form
    16,353.94/22,568.20 = 9,639.84/x
  3. Step 3: Cross multiply
    16,353.94x = 22,568.20 × 9,639.84
  4. Step 4: Simplify right side
    16,353.94x = 217,553,837.09
  5. Step 5: Solve for x
    x = 217,553,837.09/16,353.94
  6. Step 6: Final answer
    x = 13,302.84

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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.