Home / 13,051.46-19,577.21-3,190.74

Finding the Fourth Proportional to 13,051.46, 19,577.21 and 3,190.74

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Solution

The fourth proportional to 13,051.46, 19,577.21 and 3,190.74 is: 4,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.46 : 19,577.21 = 3,190.74 : x
  2. Step 2: Convert to fraction form
    13,051.46/19,577.21 = 3,190.74/x
  3. Step 3: Cross multiply
    13,051.46x = 19,577.21 × 3,190.74
  4. Step 4: Simplify right side
    13,051.46x = 62,465,771.08
  5. Step 5: Solve for x
    x = 62,465,771.08/13,051.46
  6. Step 6: Final answer
    x = 4,786.12

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1.5x scale

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.