Home / 13,051.60-19,577.22-3,190.96

Finding the Fourth Proportional to 13,051.60, 19,577.22 and 3,190.96

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Solution

The fourth proportional to 13,051.60, 19,577.22 and 3,190.96 is: 4,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.60 : 19,577.22 = 3,190.96 : x
  2. Step 2: Convert to fraction form
    13,051.60/19,577.22 = 3,190.96/x
  3. Step 3: Cross multiply
    13,051.60x = 19,577.22 × 3,190.96
  4. Step 4: Simplify right side
    13,051.60x = 62,470,125.93
  5. Step 5: Solve for x
    x = 62,470,125.93/13,051.60
  6. Step 6: Final answer
    x = 4,786.40

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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.