Home / 19,823.81-29,735.72-5,972.81

Finding the Fourth Proportional to 19,823.81, 29,735.72 and 5,972.81

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Solution

The fourth proportional to 19,823.81, 29,735.72 and 5,972.81 is: 8,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.81 : 29,735.72 = 5,972.81 : x
  2. Step 2: Convert to fraction form
    19,823.81/29,735.72 = 5,972.81/x
  3. Step 3: Cross multiply
    19,823.81x = 29,735.72 × 5,972.81
  4. Step 4: Simplify right side
    19,823.81x = 177,605,895.04
  5. Step 5: Solve for x
    x = 177,605,895.04/19,823.81
  6. Step 6: Final answer
    x = 8,959.22

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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.