Home / 25,267.23-37,889.87-13,418.42

Finding the Fourth Proportional to 25,267.23, 37,889.87 and 13,418.42

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Solution

The fourth proportional to 25,267.23, 37,889.87 and 13,418.42 is: 20,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,267.23 : 37,889.87 = 13,418.42 : x
  2. Step 2: Convert to fraction form
    25,267.23/37,889.87 = 13,418.42/x
  3. Step 3: Cross multiply
    25,267.23x = 37,889.87 × 13,418.42
  4. Step 4: Simplify right side
    25,267.23x = 508,421,932.86
  5. Step 5: Solve for x
    x = 508,421,932.86/25,267.23
  6. Step 6: Final answer
    x = 20,121.79

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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.