Home / 22,591.41-31,173.19-12,519.37

Finding the Fourth Proportional to 22,591.41, 31,173.19 and 12,519.37

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Solution

The fourth proportional to 22,591.41, 31,173.19 and 12,519.37 is: 17,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.41 : 31,173.19 = 12,519.37 : x
  2. Step 2: Convert to fraction form
    22,591.41/31,173.19 = 12,519.37/x
  3. Step 3: Cross multiply
    22,591.41x = 31,173.19 × 12,519.37
  4. Step 4: Simplify right side
    22,591.41x = 390,268,699.69
  5. Step 5: Solve for x
    x = 390,268,699.69/22,591.41
  6. Step 6: Final answer
    x = 17,275.09

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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.