Home / 14,636.84-20,202.90-8,670.56

Finding the Fourth Proportional to 14,636.84, 20,202.90 and 8,670.56

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Solution

The fourth proportional to 14,636.84, 20,202.90 and 8,670.56 is: 11,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.84 : 20,202.90 = 8,670.56 : x
  2. Step 2: Convert to fraction form
    14,636.84/20,202.90 = 8,670.56/x
  3. Step 3: Cross multiply
    14,636.84x = 20,202.90 × 8,670.56
  4. Step 4: Simplify right side
    14,636.84x = 175,170,456.62
  5. Step 5: Solve for x
    x = 175,170,456.62/14,636.84
  6. Step 6: Final answer
    x = 11,967.78

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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.