Home / 12,940.74-19,411.14-5,544.60

Finding the Fourth Proportional to 12,940.74, 19,411.14 and 5,544.60

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Solution

The fourth proportional to 12,940.74, 19,411.14 and 5,544.60 is: 8,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940.74 : 19,411.14 = 5,544.60 : x
  2. Step 2: Convert to fraction form
    12,940.74/19,411.14 = 5,544.60/x
  3. Step 3: Cross multiply
    12,940.74x = 19,411.14 × 5,544.60
  4. Step 4: Simplify right side
    12,940.74x = 107,627,006.84
  5. Step 5: Solve for x
    x = 107,627,006.84/12,940.74
  6. Step 6: Final answer
    x = 8,316.91

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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.