Home / 25,201.86-34,779.04-13,871.27

Finding the Fourth Proportional to 25,201.86, 34,779.04 and 13,871.27

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Solution

The fourth proportional to 25,201.86, 34,779.04 and 13,871.27 is: 19,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,201.86 : 34,779.04 = 13,871.27 : x
  2. Step 2: Convert to fraction form
    25,201.86/34,779.04 = 13,871.27/x
  3. Step 3: Cross multiply
    25,201.86x = 34,779.04 × 13,871.27
  4. Step 4: Simplify right side
    25,201.86x = 482,429,506.45
  5. Step 5: Solve for x
    x = 482,429,506.45/25,201.86
  6. Step 6: Final answer
    x = 19,142.62

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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.