Home / 25,291.72-37,904.94-12,116.68

Finding the Fourth Proportional to 25,291.72, 37,904.94 and 12,116.68

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Solution

The fourth proportional to 25,291.72, 37,904.94 and 12,116.68 is: 18,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291.72 : 37,904.94 = 12,116.68 : x
  2. Step 2: Convert to fraction form
    25,291.72/37,904.94 = 12,116.68/x
  3. Step 3: Cross multiply
    25,291.72x = 37,904.94 × 12,116.68
  4. Step 4: Simplify right side
    25,291.72x = 459,282,028.40
  5. Step 5: Solve for x
    x = 459,282,028.40/25,291.72
  6. Step 6: Final answer
    x = 18,159.38

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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.