Home / 13,227.71-19,842.01-6,650.30

Finding the Fourth Proportional to 13,227.71, 19,842.01 and 6,650.30

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Solution

The fourth proportional to 13,227.71, 19,842.01 and 6,650.30 is: 9,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.71 : 19,842.01 = 6,650.30 : x
  2. Step 2: Convert to fraction form
    13,227.71/19,842.01 = 6,650.30/x
  3. Step 3: Cross multiply
    13,227.71x = 19,842.01 × 6,650.30
  4. Step 4: Simplify right side
    13,227.71x = 131,955,389.49
  5. Step 5: Solve for x
    x = 131,955,389.49/13,227.71
  6. Step 6: Final answer
    x = 9,975.68

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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.