Home / 13,255.44-19,962.06-11,544.72

Finding the Fourth Proportional to 13,255.44, 19,962.06 and 11,544.72

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Solution

The fourth proportional to 13,255.44, 19,962.06 and 11,544.72 is: 17,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.44 : 19,962.06 = 11,544.72 : x
  2. Step 2: Convert to fraction form
    13,255.44/19,962.06 = 11,544.72/x
  3. Step 3: Cross multiply
    13,255.44x = 19,962.06 × 11,544.72
  4. Step 4: Simplify right side
    13,255.44x = 230,456,393.32
  5. Step 5: Solve for x
    x = 230,456,393.32/13,255.44
  6. Step 6: Final answer
    x = 17,385.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.