Home / 19,321.38-28,939.25-14,846.10

Finding the Fourth Proportional to 19,321.38, 28,939.25 and 14,846.10

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Solution

The fourth proportional to 19,321.38, 28,939.25 and 14,846.10 is: 22,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.38 : 28,939.25 = 14,846.10 : x
  2. Step 2: Convert to fraction form
    19,321.38/28,939.25 = 14,846.10/x
  3. Step 3: Cross multiply
    19,321.38x = 28,939.25 × 14,846.10
  4. Step 4: Simplify right side
    19,321.38x = 429,635,036.54
  5. Step 5: Solve for x
    x = 429,635,036.54/19,321.38
  6. Step 6: Final answer
    x = 22,236.25

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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.