Home / 25,291.80-37,950.48-12,155.22

Finding the Fourth Proportional to 25,291.80, 37,950.48 and 12,155.22

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Solution

The fourth proportional to 25,291.80, 37,950.48 and 12,155.22 is: 18,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291.80 : 37,950.48 = 12,155.22 : x
  2. Step 2: Convert to fraction form
    25,291.80/37,950.48 = 12,155.22/x
  3. Step 3: Cross multiply
    25,291.80x = 37,950.48 × 12,155.22
  4. Step 4: Simplify right side
    25,291.80x = 461,296,433.51
  5. Step 5: Solve for x
    x = 461,296,433.51/25,291.80
  6. Step 6: Final answer
    x = 18,238.97

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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.