Home / 19,812.47-29,723.31-5,773.99

Finding the Fourth Proportional to 19,812.47, 29,723.31 and 5,773.99

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Solution

The fourth proportional to 19,812.47, 29,723.31 and 5,773.99 is: 8,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.47 : 29,723.31 = 5,773.99 : x
  2. Step 2: Convert to fraction form
    19,812.47/29,723.31 = 5,773.99/x
  3. Step 3: Cross multiply
    19,812.47x = 29,723.31 × 5,773.99
  4. Step 4: Simplify right side
    19,812.47x = 171,621,946.09
  5. Step 5: Solve for x
    x = 171,621,946.09/19,812.47
  6. Step 6: Final answer
    x = 8,662.32

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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.