Home / 16,692.86-25,039.90-11,415.30

Finding the Fourth Proportional to 16,692.86, 25,039.90 and 11,415.30

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Solution

The fourth proportional to 16,692.86, 25,039.90 and 11,415.30 is: 17,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.86 : 25,039.90 = 11,415.30 : x
  2. Step 2: Convert to fraction form
    16,692.86/25,039.90 = 11,415.30/x
  3. Step 3: Cross multiply
    16,692.86x = 25,039.90 × 11,415.30
  4. Step 4: Simplify right side
    16,692.86x = 285,837,970.47
  5. Step 5: Solve for x
    x = 285,837,970.47/16,692.86
  6. Step 6: Final answer
    x = 17,123.37

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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.