Home / 14,239.73-19,649.37-8,272.66

Finding the Fourth Proportional to 14,239.73, 19,649.37 and 8,272.66

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Solution

The fourth proportional to 14,239.73, 19,649.37 and 8,272.66 is: 11,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.73 : 19,649.37 = 8,272.66 : x
  2. Step 2: Convert to fraction form
    14,239.73/19,649.37 = 8,272.66/x
  3. Step 3: Cross multiply
    14,239.73x = 19,649.37 × 8,272.66
  4. Step 4: Simplify right side
    14,239.73x = 162,552,557.22
  5. Step 5: Solve for x
    x = 162,552,557.22/14,239.73
  6. Step 6: Final answer
    x = 11,415.42

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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.