Home / 19,937.62-27,513.84-10,986.04

Finding the Fourth Proportional to 19,937.62, 27,513.84 and 10,986.04

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Solution

The fourth proportional to 19,937.62, 27,513.84 and 10,986.04 is: 15,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.62 : 27,513.84 = 10,986.04 : x
  2. Step 2: Convert to fraction form
    19,937.62/27,513.84 = 10,986.04/x
  3. Step 3: Cross multiply
    19,937.62x = 27,513.84 × 10,986.04
  4. Step 4: Simplify right side
    19,937.62x = 302,268,146.79
  5. Step 5: Solve for x
    x = 302,268,146.79/19,937.62
  6. Step 6: Final answer
    x = 15,160.69

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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.