Home / 13,245.18-19,854.81-6,324.54

Finding the Fourth Proportional to 13,245.18, 19,854.81 and 6,324.54

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Solution

The fourth proportional to 13,245.18, 19,854.81 and 6,324.54 is: 9,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.18 : 19,854.81 = 6,324.54 : x
  2. Step 2: Convert to fraction form
    13,245.18/19,854.81 = 6,324.54/x
  3. Step 3: Cross multiply
    13,245.18x = 19,854.81 × 6,324.54
  4. Step 4: Simplify right side
    13,245.18x = 125,572,540.04
  5. Step 5: Solve for x
    x = 125,572,540.04/13,245.18
  6. Step 6: Final answer
    x = 9,480.62

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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.