Home / 13,225.60-19,843.26-5,435.02

Finding the Fourth Proportional to 13,225.60, 19,843.26 and 5,435.02

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Solution

The fourth proportional to 13,225.60, 19,843.26 and 5,435.02 is: 8,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.60 : 19,843.26 = 5,435.02 : x
  2. Step 2: Convert to fraction form
    13,225.60/19,843.26 = 5,435.02/x
  3. Step 3: Cross multiply
    13,225.60x = 19,843.26 × 5,435.02
  4. Step 4: Simplify right side
    13,225.60x = 107,848,514.97
  5. Step 5: Solve for x
    x = 107,848,514.97/13,225.60
  6. Step 6: Final answer
    x = 8,154.53

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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.