Home / 13,607.88-20,405.65-4,843.02

Finding the Fourth Proportional to 13,607.88, 20,405.65 and 4,843.02

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Solution

The fourth proportional to 13,607.88, 20,405.65 and 4,843.02 is: 7,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.88 : 20,405.65 = 4,843.02 : x
  2. Step 2: Convert to fraction form
    13,607.88/20,405.65 = 4,843.02/x
  3. Step 3: Cross multiply
    13,607.88x = 20,405.65 × 4,843.02
  4. Step 4: Simplify right side
    13,607.88x = 98,824,971.06
  5. Step 5: Solve for x
    x = 98,824,971.06/13,607.88
  6. Step 6: Final answer
    x = 7,262.33

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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.