Home / 19,268.43-28,905.72-6,119.76

Finding the Fourth Proportional to 19,268.43, 28,905.72 and 6,119.76

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Solution

The fourth proportional to 19,268.43, 28,905.72 and 6,119.76 is: 9,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.43 : 28,905.72 = 6,119.76 : x
  2. Step 2: Convert to fraction form
    19,268.43/28,905.72 = 6,119.76/x
  3. Step 3: Cross multiply
    19,268.43x = 28,905.72 × 6,119.76
  4. Step 4: Simplify right side
    19,268.43x = 176,896,069.03
  5. Step 5: Solve for x
    x = 176,896,069.03/19,268.43
  6. Step 6: Final answer
    x = 9,180.62

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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.