Home / 20,692.84-31,036.27-6,651.03

Finding the Fourth Proportional to 20,692.84, 31,036.27 and 6,651.03

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Solution

The fourth proportional to 20,692.84, 31,036.27 and 6,651.03 is: 9,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.84 : 31,036.27 = 6,651.03 : x
  2. Step 2: Convert to fraction form
    20,692.84/31,036.27 = 6,651.03/x
  3. Step 3: Cross multiply
    20,692.84x = 31,036.27 × 6,651.03
  4. Step 4: Simplify right side
    20,692.84x = 206,423,162.86
  5. Step 5: Solve for x
    x = 206,423,162.86/20,692.84
  6. Step 6: Final answer
    x = 9,975.58

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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.