Home / 23,979.72-33,090.78-13,369.14

Finding the Fourth Proportional to 23,979.72, 33,090.78 and 13,369.14

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Solution

The fourth proportional to 23,979.72, 33,090.78 and 13,369.14 is: 18,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.72 : 33,090.78 = 13,369.14 : x
  2. Step 2: Convert to fraction form
    23,979.72/33,090.78 = 13,369.14/x
  3. Step 3: Cross multiply
    23,979.72x = 33,090.78 × 13,369.14
  4. Step 4: Simplify right side
    23,979.72x = 442,395,270.53
  5. Step 5: Solve for x
    x = 442,395,270.53/23,979.72
  6. Step 6: Final answer
    x = 18,448.73

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1.5x scale

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.