Home / 19,648.78-27,116.02-10,695.84

Finding the Fourth Proportional to 19,648.78, 27,116.02 and 10,695.84

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Solution

The fourth proportional to 19,648.78, 27,116.02 and 10,695.84 is: 14,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.78 : 27,116.02 = 10,695.84 : x
  2. Step 2: Convert to fraction form
    19,648.78/27,116.02 = 10,695.84/x
  3. Step 3: Cross multiply
    19,648.78x = 27,116.02 × 10,695.84
  4. Step 4: Simplify right side
    19,648.78x = 290,028,611.36
  5. Step 5: Solve for x
    x = 290,028,611.36/19,648.78
  6. Step 6: Final answer
    x = 14,760.64

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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.