Home / 13,206.29-19,812.42-4,440.96

Finding the Fourth Proportional to 13,206.29, 19,812.42 and 4,440.96

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Solution

The fourth proportional to 13,206.29, 19,812.42 and 4,440.96 is: 6,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.29 : 19,812.42 = 4,440.96 : x
  2. Step 2: Convert to fraction form
    13,206.29/19,812.42 = 4,440.96/x
  3. Step 3: Cross multiply
    13,206.29x = 19,812.42 × 4,440.96
  4. Step 4: Simplify right side
    13,206.29x = 87,986,164.72
  5. Step 5: Solve for x
    x = 87,986,164.72/13,206.29
  6. Step 6: Final answer
    x = 6,662.45

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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.