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Finding the Fourth Proportional to 14,361.54, 21,545.76 and 6,957.36

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Solution

The fourth proportional to 14,361.54, 21,545.76 and 6,957.36 is: 10,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.54 : 21,545.76 = 6,957.36 : x
  2. Step 2: Convert to fraction form
    14,361.54/21,545.76 = 6,957.36/x
  3. Step 3: Cross multiply
    14,361.54x = 21,545.76 × 6,957.36
  4. Step 4: Simplify right side
    14,361.54x = 149,901,608.79
  5. Step 5: Solve for x
    x = 149,901,608.79/14,361.54
  6. Step 6: Final answer
    x = 10,437.71

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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.