Home / 17,147.27-25,720.72-13,012.67

Finding the Fourth Proportional to 17,147.27, 25,720.72 and 13,012.67

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Solution

The fourth proportional to 17,147.27, 25,720.72 and 13,012.67 is: 19,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.27 : 25,720.72 = 13,012.67 : x
  2. Step 2: Convert to fraction form
    17,147.27/25,720.72 = 13,012.67/x
  3. Step 3: Cross multiply
    17,147.27x = 25,720.72 × 13,012.67
  4. Step 4: Simplify right side
    17,147.27x = 334,695,241.52
  5. Step 5: Solve for x
    x = 334,695,241.52/17,147.27
  6. Step 6: Final answer
    x = 19,518.86

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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.