Home / 14,133.18-19,481.46-11,291.60

Finding the Fourth Proportional to 14,133.18, 19,481.46 and 11,291.60

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Solution

The fourth proportional to 14,133.18, 19,481.46 and 11,291.60 is: 15,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.18 : 19,481.46 = 11,291.60 : x
  2. Step 2: Convert to fraction form
    14,133.18/19,481.46 = 11,291.60/x
  3. Step 3: Cross multiply
    14,133.18x = 19,481.46 × 11,291.60
  4. Step 4: Simplify right side
    14,133.18x = 219,976,923.61
  5. Step 5: Solve for x
    x = 219,976,923.61/14,133.18
  6. Step 6: Final answer
    x = 15,564.57

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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.