Home / 12,750.54-19,057.44-11,498.28

Finding the Fourth Proportional to 12,750.54, 19,057.44 and 11,498.28

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Solution

The fourth proportional to 12,750.54, 19,057.44 and 11,498.28 is: 17,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.54 : 19,057.44 = 11,498.28 : x
  2. Step 2: Convert to fraction form
    12,750.54/19,057.44 = 11,498.28/x
  3. Step 3: Cross multiply
    12,750.54x = 19,057.44 × 11,498.28
  4. Step 4: Simplify right side
    12,750.54x = 219,127,781.20
  5. Step 5: Solve for x
    x = 219,127,781.20/12,750.54
  6. Step 6: Final answer
    x = 17,185.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.