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Finding the Fourth Proportional to 17,147.01, 25,720.35 and 13,012.41

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Solution

The fourth proportional to 17,147.01, 25,720.35 and 13,012.41 is: 19,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.01 : 25,720.35 = 13,012.41 : x
  2. Step 2: Convert to fraction form
    17,147.01/25,720.35 = 13,012.41/x
  3. Step 3: Cross multiply
    17,147.01x = 25,720.35 × 13,012.41
  4. Step 4: Simplify right side
    17,147.01x = 334,683,739.54
  5. Step 5: Solve for x
    x = 334,683,739.54/17,147.01
  6. Step 6: Final answer
    x = 19,518.49

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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.