Home / 18,671.33-25,791.60-17,342.72

Finding the Fourth Proportional to 18,671.33, 25,791.60 and 17,342.72

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Solution

The fourth proportional to 18,671.33, 25,791.60 and 17,342.72 is: 23,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.33 : 25,791.60 = 17,342.72 : x
  2. Step 2: Convert to fraction form
    18,671.33/25,791.60 = 17,342.72/x
  3. Step 3: Cross multiply
    18,671.33x = 25,791.60 × 17,342.72
  4. Step 4: Simplify right side
    18,671.33x = 447,296,368.19
  5. Step 5: Solve for x
    x = 447,296,368.19/18,671.33
  6. Step 6: Final answer
    x = 23,956.33

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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.