Home / 13,805.46-20,710.14-4,443.30

Finding the Fourth Proportional to 13,805.46, 20,710.14 and 4,443.30

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Solution

The fourth proportional to 13,805.46, 20,710.14 and 4,443.30 is: 6,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.46 : 20,710.14 = 4,443.30 : x
  2. Step 2: Convert to fraction form
    13,805.46/20,710.14 = 4,443.30/x
  3. Step 3: Cross multiply
    13,805.46x = 20,710.14 × 4,443.30
  4. Step 4: Simplify right side
    13,805.46x = 92,021,365.06
  5. Step 5: Solve for x
    x = 92,021,365.06/13,805.46
  6. Step 6: Final answer
    x = 6,665.58

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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.