Home / 18,212.44-27,327.16-9,442.58

Finding the Fourth Proportional to 18,212.44, 27,327.16 and 9,442.58

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Solution

The fourth proportional to 18,212.44, 27,327.16 and 9,442.58 is: 14,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.44 : 27,327.16 = 9,442.58 : x
  2. Step 2: Convert to fraction form
    18,212.44/27,327.16 = 9,442.58/x
  3. Step 3: Cross multiply
    18,212.44x = 27,327.16 × 9,442.58
  4. Step 4: Simplify right side
    18,212.44x = 258,038,894.47
  5. Step 5: Solve for x
    x = 258,038,894.47/18,212.44
  6. Step 6: Final answer
    x = 14,168.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.