Home / 14,474.50-21,696.59-6,688.42

Finding the Fourth Proportional to 14,474.50, 21,696.59 and 6,688.42

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Solution

The fourth proportional to 14,474.50, 21,696.59 and 6,688.42 is: 10,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.50 : 21,696.59 = 6,688.42 : x
  2. Step 2: Convert to fraction form
    14,474.50/21,696.59 = 6,688.42/x
  3. Step 3: Cross multiply
    14,474.50x = 21,696.59 × 6,688.42
  4. Step 4: Simplify right side
    14,474.50x = 145,115,906.49
  5. Step 5: Solve for x
    x = 145,115,906.49/14,474.50
  6. Step 6: Final answer
    x = 10,025.62

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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.