Home / 13,805.28-20,705.02-4,446.14

Finding the Fourth Proportional to 13,805.28, 20,705.02 and 4,446.14

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Solution

The fourth proportional to 13,805.28, 20,705.02 and 4,446.14 is: 6,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.28 : 20,705.02 = 4,446.14 : x
  2. Step 2: Convert to fraction form
    13,805.28/20,705.02 = 4,446.14/x
  3. Step 3: Cross multiply
    13,805.28x = 20,705.02 × 4,446.14
  4. Step 4: Simplify right side
    13,805.28x = 92,057,302.98
  5. Step 5: Solve for x
    x = 92,057,302.98/13,805.28
  6. Step 6: Final answer
    x = 6,668.27

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1.5x scale

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.