Home / 14,817.72-20,438.82-9,504.12

Finding the Fourth Proportional to 14,817.72, 20,438.82 and 9,504.12

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Solution

The fourth proportional to 14,817.72, 20,438.82 and 9,504.12 is: 13,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.72 : 20,438.82 = 9,504.12 : x
  2. Step 2: Convert to fraction form
    14,817.72/20,438.82 = 9,504.12/x
  3. Step 3: Cross multiply
    14,817.72x = 20,438.82 × 9,504.12
  4. Step 4: Simplify right side
    14,817.72x = 194,252,997.94
  5. Step 5: Solve for x
    x = 194,252,997.94/14,817.72
  6. Step 6: Final answer
    x = 13,109.51

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1.5x scale

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.