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Finding the Fourth Proportional to 14,838.53, 22,238.18 and 6,940.42

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Solution

The fourth proportional to 14,838.53, 22,238.18 and 6,940.42 is: 10,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.53 : 22,238.18 = 6,940.42 : x
  2. Step 2: Convert to fraction form
    14,838.53/22,238.18 = 6,940.42/x
  3. Step 3: Cross multiply
    14,838.53x = 22,238.18 × 6,940.42
  4. Step 4: Simplify right side
    14,838.53x = 154,342,244.96
  5. Step 5: Solve for x
    x = 154,342,244.96/14,838.53
  6. Step 6: Final answer
    x = 10,401.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.