Home / 16,770.86-25,156.03-4,290.77

Finding the Fourth Proportional to 16,770.86, 25,156.03 and 4,290.77

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Solution

The fourth proportional to 16,770.86, 25,156.03 and 4,290.77 is: 6,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.86 : 25,156.03 = 4,290.77 : x
  2. Step 2: Convert to fraction form
    16,770.86/25,156.03 = 4,290.77/x
  3. Step 3: Cross multiply
    16,770.86x = 25,156.03 × 4,290.77
  4. Step 4: Simplify right side
    16,770.86x = 107,938,738.84
  5. Step 5: Solve for x
    x = 107,938,738.84/16,770.86
  6. Step 6: Final answer
    x = 6,436.09

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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.