Home / 25,121.22-34,666.65-13,942.50

Finding the Fourth Proportional to 25,121.22, 34,666.65 and 13,942.50

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Solution

The fourth proportional to 25,121.22, 34,666.65 and 13,942.50 is: 19,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.22 : 34,666.65 = 13,942.50 : x
  2. Step 2: Convert to fraction form
    25,121.22/34,666.65 = 13,942.50/x
  3. Step 3: Cross multiply
    25,121.22x = 34,666.65 × 13,942.50
  4. Step 4: Simplify right side
    25,121.22x = 483,339,767.63
  5. Step 5: Solve for x
    x = 483,339,767.63/25,121.22
  6. Step 6: Final answer
    x = 19,240.30

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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.