Home / 23,028.36-31,641.41-18,304.44

Finding the Fourth Proportional to 23,028.36, 31,641.41 and 18,304.44

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Solution

The fourth proportional to 23,028.36, 31,641.41 and 18,304.44 is: 25,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.36 : 31,641.41 = 18,304.44 : x
  2. Step 2: Convert to fraction form
    23,028.36/31,641.41 = 18,304.44/x
  3. Step 3: Cross multiply
    23,028.36x = 31,641.41 × 18,304.44
  4. Step 4: Simplify right side
    23,028.36x = 579,178,290.86
  5. Step 5: Solve for x
    x = 579,178,290.86/23,028.36
  6. Step 6: Final answer
    x = 25,150.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.