Home / 16,623.70-22,949.18-12,838.38

Finding the Fourth Proportional to 16,623.70, 22,949.18 and 12,838.38

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Solution

The fourth proportional to 16,623.70, 22,949.18 and 12,838.38 is: 17,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,623.70 : 22,949.18 = 12,838.38 : x
  2. Step 2: Convert to fraction form
    16,623.70/22,949.18 = 12,838.38/x
  3. Step 3: Cross multiply
    16,623.70x = 22,949.18 × 12,838.38
  4. Step 4: Simplify right side
    16,623.70x = 294,630,293.53
  5. Step 5: Solve for x
    x = 294,630,293.53/16,623.70
  6. Step 6: Final answer
    x = 17,723.51

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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.