Home / 19,149.81-28,724.31-10,268.16

Finding the Fourth Proportional to 19,149.81, 28,724.31 and 10,268.16

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Solution

The fourth proportional to 19,149.81, 28,724.31 and 10,268.16 is: 15,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.81 : 28,724.31 = 10,268.16 : x
  2. Step 2: Convert to fraction form
    19,149.81/28,724.31 = 10,268.16/x
  3. Step 3: Cross multiply
    19,149.81x = 28,724.31 × 10,268.16
  4. Step 4: Simplify right side
    19,149.81x = 294,945,810.97
  5. Step 5: Solve for x
    x = 294,945,810.97/19,149.81
  6. Step 6: Final answer
    x = 15,402.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.