Home / 17,087.60-25,631.40-4,775.60

Finding the Fourth Proportional to 17,087.60, 25,631.40 and 4,775.60

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Solution

The fourth proportional to 17,087.60, 25,631.40 and 4,775.60 is: 7,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.60 : 25,631.40 = 4,775.60 : x
  2. Step 2: Convert to fraction form
    17,087.60/25,631.40 = 4,775.60/x
  3. Step 3: Cross multiply
    17,087.60x = 25,631.40 × 4,775.60
  4. Step 4: Simplify right side
    17,087.60x = 122,405,313.84
  5. Step 5: Solve for x
    x = 122,405,313.84/17,087.60
  6. Step 6: Final answer
    x = 7,163.40

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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.