Home / 25,274.51-37,891.78-12,617.77

Finding the Fourth Proportional to 25,274.51, 37,891.78 and 12,617.77

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Solution

The fourth proportional to 25,274.51, 37,891.78 and 12,617.77 is: 18,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.51 : 37,891.78 = 12,617.77 : x
  2. Step 2: Convert to fraction form
    25,274.51/37,891.78 = 12,617.77/x
  3. Step 3: Cross multiply
    25,274.51x = 37,891.78 × 12,617.77
  4. Step 4: Simplify right side
    25,274.51x = 478,109,764.93
  5. Step 5: Solve for x
    x = 478,109,764.93/25,274.51
  6. Step 6: Final answer
    x = 18,916.68

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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.