Home / 23,201.78-32,018.48-12,591.42

Finding the Fourth Proportional to 23,201.78, 32,018.48 and 12,591.42

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Solution

The fourth proportional to 23,201.78, 32,018.48 and 12,591.42 is: 17,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.78 : 32,018.48 = 12,591.42 : x
  2. Step 2: Convert to fraction form
    23,201.78/32,018.48 = 12,591.42/x
  3. Step 3: Cross multiply
    23,201.78x = 32,018.48 × 12,591.42
  4. Step 4: Simplify right side
    23,201.78x = 403,158,129.44
  5. Step 5: Solve for x
    x = 403,158,129.44/23,201.78
  6. Step 6: Final answer
    x = 17,376.17

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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.