Home / 25,366.86-38,017.85-12,039.80

Finding the Fourth Proportional to 25,366.86, 38,017.85 and 12,039.80

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Solution

The fourth proportional to 25,366.86, 38,017.85 and 12,039.80 is: 18,044.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.86 : 38,017.85 = 12,039.80 : x
  2. Step 2: Convert to fraction form
    25,366.86/38,017.85 = 12,039.80/x
  3. Step 3: Cross multiply
    25,366.86x = 38,017.85 × 12,039.80
  4. Step 4: Simplify right side
    25,366.86x = 457,727,060.14
  5. Step 5: Solve for x
    x = 457,727,060.14/25,366.86
  6. Step 6: Final answer
    x = 18,044.29

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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.