Home / 18,795.96-25,927.02-12,422.52

Finding the Fourth Proportional to 18,795.96, 25,927.02 and 12,422.52

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Solution

The fourth proportional to 18,795.96, 25,927.02 and 12,422.52 is: 17,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.96 : 25,927.02 = 12,422.52 : x
  2. Step 2: Convert to fraction form
    18,795.96/25,927.02 = 12,422.52/x
  3. Step 3: Cross multiply
    18,795.96x = 25,927.02 × 12,422.52
  4. Step 4: Simplify right side
    18,795.96x = 322,078,924.49
  5. Step 5: Solve for x
    x = 322,078,924.49/18,795.96
  6. Step 6: Final answer
    x = 17,135.54

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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.