Home / 21,277.24-29,362.56-11,848.02

Finding the Fourth Proportional to 21,277.24, 29,362.56 and 11,848.02

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Solution

The fourth proportional to 21,277.24, 29,362.56 and 11,848.02 is: 16,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.24 : 29,362.56 = 11,848.02 : x
  2. Step 2: Convert to fraction form
    21,277.24/29,362.56 = 11,848.02/x
  3. Step 3: Cross multiply
    21,277.24x = 29,362.56 × 11,848.02
  4. Step 4: Simplify right side
    21,277.24x = 347,888,198.13
  5. Step 5: Solve for x
    x = 347,888,198.13/21,277.24
  6. Step 6: Final answer
    x = 16,350.25

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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.