Home / 14,190.81-19,583.31-8,225.94

Finding the Fourth Proportional to 14,190.81, 19,583.31 and 8,225.94

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Solution

The fourth proportional to 14,190.81, 19,583.31 and 8,225.94 is: 11,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.81 : 19,583.31 = 8,225.94 : x
  2. Step 2: Convert to fraction form
    14,190.81/19,583.31 = 8,225.94/x
  3. Step 3: Cross multiply
    14,190.81x = 19,583.31 × 8,225.94
  4. Step 4: Simplify right side
    14,190.81x = 161,091,080.92
  5. Step 5: Solve for x
    x = 161,091,080.92/14,190.81
  6. Step 6: Final answer
    x = 11,351.79

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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.