Home / 19,823.18-27,356.79-10,871.01

Finding the Fourth Proportional to 19,823.18, 27,356.79 and 10,871.01

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Solution

The fourth proportional to 19,823.18, 27,356.79 and 10,871.01 is: 15,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.18 : 27,356.79 = 10,871.01 : x
  2. Step 2: Convert to fraction form
    19,823.18/27,356.79 = 10,871.01/x
  3. Step 3: Cross multiply
    19,823.18x = 27,356.79 × 10,871.01
  4. Step 4: Simplify right side
    19,823.18x = 297,395,937.66
  5. Step 5: Solve for x
    x = 297,395,937.66/19,823.18
  6. Step 6: Final answer
    x = 15,002.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.