Home / 15,816.06-21,828.42-9,849.60

Finding the Fourth Proportional to 15,816.06, 21,828.42 and 9,849.60

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Solution

The fourth proportional to 15,816.06, 21,828.42 and 9,849.60 is: 13,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.06 : 21,828.42 = 9,849.60 : x
  2. Step 2: Convert to fraction form
    15,816.06/21,828.42 = 9,849.60/x
  3. Step 3: Cross multiply
    15,816.06x = 21,828.42 × 9,849.60
  4. Step 4: Simplify right side
    15,816.06x = 215,001,205.63
  5. Step 5: Solve for x
    x = 215,001,205.63/15,816.06
  6. Step 6: Final answer
    x = 13,593.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.