Home / 19,822.93-27,356.43-10,870.75

Finding the Fourth Proportional to 19,822.93, 27,356.43 and 10,870.75

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Solution

The fourth proportional to 19,822.93, 27,356.43 and 10,870.75 is: 15,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.93 : 27,356.43 = 10,870.75 : x
  2. Step 2: Convert to fraction form
    19,822.93/27,356.43 = 10,870.75/x
  3. Step 3: Cross multiply
    19,822.93x = 27,356.43 × 10,870.75
  4. Step 4: Simplify right side
    19,822.93x = 297,384,788.68
  5. Step 5: Solve for x
    x = 297,384,788.68/19,822.93
  6. Step 6: Final answer
    x = 15,002.06

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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.