Home / 13,235.15-19,850.70-4,914.02

Finding the Fourth Proportional to 13,235.15, 19,850.70 and 4,914.02

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Solution

The fourth proportional to 13,235.15, 19,850.70 and 4,914.02 is: 7,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.15 : 19,850.70 = 4,914.02 : x
  2. Step 2: Convert to fraction form
    13,235.15/19,850.70 = 4,914.02/x
  3. Step 3: Cross multiply
    13,235.15x = 19,850.70 × 4,914.02
  4. Step 4: Simplify right side
    13,235.15x = 97,546,736.81
  5. Step 5: Solve for x
    x = 97,546,736.81/13,235.15
  6. Step 6: Final answer
    x = 7,370.28

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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.