Home / 25,366.82-38,017.88-12,039.80

Finding the Fourth Proportional to 25,366.82, 38,017.88 and 12,039.80

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Solution

The fourth proportional to 25,366.82, 38,017.88 and 12,039.80 is: 18,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.82 : 38,017.88 = 12,039.80 : x
  2. Step 2: Convert to fraction form
    25,366.82/38,017.88 = 12,039.80/x
  3. Step 3: Cross multiply
    25,366.82x = 38,017.88 × 12,039.80
  4. Step 4: Simplify right side
    25,366.82x = 457,727,421.34
  5. Step 5: Solve for x
    x = 457,727,421.34/25,366.82
  6. Step 6: Final answer
    x = 18,044.34

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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.