Home / 13,470.24-20,193.06-11,403.54

Finding the Fourth Proportional to 13,470.24, 20,193.06 and 11,403.54

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Solution

The fourth proportional to 13,470.24, 20,193.06 and 11,403.54 is: 17,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.24 : 20,193.06 = 11,403.54 : x
  2. Step 2: Convert to fraction form
    13,470.24/20,193.06 = 11,403.54/x
  3. Step 3: Cross multiply
    13,470.24x = 20,193.06 × 11,403.54
  4. Step 4: Simplify right side
    13,470.24x = 230,272,367.43
  5. Step 5: Solve for x
    x = 230,272,367.43/13,470.24
  6. Step 6: Final answer
    x = 17,094.90

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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.