Home / 25,781.50-38,684.69-14,094.41

Finding the Fourth Proportional to 25,781.50, 38,684.69 and 14,094.41

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Solution

The fourth proportional to 25,781.50, 38,684.69 and 14,094.41 is: 21,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.50 : 38,684.69 = 14,094.41 : x
  2. Step 2: Convert to fraction form
    25,781.50/38,684.69 = 14,094.41/x
  3. Step 3: Cross multiply
    25,781.50x = 38,684.69 × 14,094.41
  4. Step 4: Simplify right side
    25,781.50x = 545,237,811.11
  5. Step 5: Solve for x
    x = 545,237,811.11/25,781.50
  6. Step 6: Final answer
    x = 21,148.42

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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.