Home / 12,745.17-17,544.67-11,056.64

Finding the Fourth Proportional to 12,745.17, 17,544.67 and 11,056.64

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Solution

The fourth proportional to 12,745.17, 17,544.67 and 11,056.64 is: 15,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.17 : 17,544.67 = 11,056.64 : x
  2. Step 2: Convert to fraction form
    12,745.17/17,544.67 = 11,056.64/x
  3. Step 3: Cross multiply
    12,745.17x = 17,544.67 × 11,056.64
  4. Step 4: Simplify right side
    12,745.17x = 193,984,984.74
  5. Step 5: Solve for x
    x = 193,984,984.74/12,745.17
  6. Step 6: Final answer
    x = 15,220.27

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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.