Home / 14,771.82-20,384.74-8,057.60

Finding the Fourth Proportional to 14,771.82, 20,384.74 and 8,057.60

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Solution

The fourth proportional to 14,771.82, 20,384.74 and 8,057.60 is: 11,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.82 : 20,384.74 = 8,057.60 : x
  2. Step 2: Convert to fraction form
    14,771.82/20,384.74 = 8,057.60/x
  3. Step 3: Cross multiply
    14,771.82x = 20,384.74 × 8,057.60
  4. Step 4: Simplify right side
    14,771.82x = 164,252,081.02
  5. Step 5: Solve for x
    x = 164,252,081.02/14,771.82
  6. Step 6: Final answer
    x = 11,119.29

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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.