Home / 13,359.11-20,036.43-4,923.97

Finding the Fourth Proportional to 13,359.11, 20,036.43 and 4,923.97

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Solution

The fourth proportional to 13,359.11, 20,036.43 and 4,923.97 is: 7,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.11 : 20,036.43 = 4,923.97 : x
  2. Step 2: Convert to fraction form
    13,359.11/20,036.43 = 4,923.97/x
  3. Step 3: Cross multiply
    13,359.11x = 20,036.43 × 4,923.97
  4. Step 4: Simplify right side
    13,359.11x = 98,658,730.14
  5. Step 5: Solve for x
    x = 98,658,730.14/13,359.11
  6. Step 6: Final answer
    x = 7,385.13

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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.