Home / 19,112.43-28,668.65-5,964.81

Finding the Fourth Proportional to 19,112.43, 28,668.65 and 5,964.81

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Solution

The fourth proportional to 19,112.43, 28,668.65 and 5,964.81 is: 8,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.43 : 28,668.65 = 5,964.81 : x
  2. Step 2: Convert to fraction form
    19,112.43/28,668.65 = 5,964.81/x
  3. Step 3: Cross multiply
    19,112.43x = 28,668.65 × 5,964.81
  4. Step 4: Simplify right side
    19,112.43x = 171,003,050.21
  5. Step 5: Solve for x
    x = 171,003,050.21/19,112.43
  6. Step 6: Final answer
    x = 8,947.22

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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.