Home / 14,692.72-21,989.88-12,060.14

Finding the Fourth Proportional to 14,692.72, 21,989.88 and 12,060.14

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Solution

The fourth proportional to 14,692.72, 21,989.88 and 12,060.14 is: 18,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.72 : 21,989.88 = 12,060.14 : x
  2. Step 2: Convert to fraction form
    14,692.72/21,989.88 = 12,060.14/x
  3. Step 3: Cross multiply
    14,692.72x = 21,989.88 × 12,060.14
  4. Step 4: Simplify right side
    14,692.72x = 265,201,031.38
  5. Step 5: Solve for x
    x = 265,201,031.38/14,692.72
  6. Step 6: Final answer
    x = 18,049.83

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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.