Home / 16,692.32-23,035.29-9,138.50

Finding the Fourth Proportional to 16,692.32, 23,035.29 and 9,138.50

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Solution

The fourth proportional to 16,692.32, 23,035.29 and 9,138.50 is: 12,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.32 : 23,035.29 = 9,138.50 : x
  2. Step 2: Convert to fraction form
    16,692.32/23,035.29 = 9,138.50/x
  3. Step 3: Cross multiply
    16,692.32x = 23,035.29 × 9,138.50
  4. Step 4: Simplify right side
    16,692.32x = 210,507,997.67
  5. Step 5: Solve for x
    x = 210,507,997.67/16,692.32
  6. Step 6: Final answer
    x = 12,611.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.