Home / 14,187-19,581.42-9,996.60

Finding the Fourth Proportional to 14,187, 19,581.42 and 9,996.60

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Solution

The fourth proportional to 14,187, 19,581.42 and 9,996.60 is: 13,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187 : 19,581.42 = 9,996.60 : x
  2. Step 2: Convert to fraction form
    14,187/19,581.42 = 9,996.60/x
  3. Step 3: Cross multiply
    14,187x = 19,581.42 × 9,996.60
  4. Step 4: Simplify right side
    14,187x = 195,747,623.17
  5. Step 5: Solve for x
    x = 195,747,623.17/14,187
  6. Step 6: Final answer
    x = 13,797.68

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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.