Home / 20,767.65-31,146.81-5,973.27

Finding the Fourth Proportional to 20,767.65, 31,146.81 and 5,973.27

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Solution

The fourth proportional to 20,767.65, 31,146.81 and 5,973.27 is: 8,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,767.65 : 31,146.81 = 5,973.27 : x
  2. Step 2: Convert to fraction form
    20,767.65/31,146.81 = 5,973.27/x
  3. Step 3: Cross multiply
    20,767.65x = 31,146.81 × 5,973.27
  4. Step 4: Simplify right side
    20,767.65x = 186,048,305.77
  5. Step 5: Solve for x
    x = 186,048,305.77/20,767.65
  6. Step 6: Final answer
    x = 8,958.56

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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.