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Finding the Fourth Proportional to 15,751.99, 23,636.22 and 10,203.90

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Solution

The fourth proportional to 15,751.99, 23,636.22 and 10,203.90 is: 15,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.99 : 23,636.22 = 10,203.90 : x
  2. Step 2: Convert to fraction form
    15,751.99/23,636.22 = 10,203.90/x
  3. Step 3: Cross multiply
    15,751.99x = 23,636.22 × 10,203.90
  4. Step 4: Simplify right side
    15,751.99x = 241,181,625.26
  5. Step 5: Solve for x
    x = 241,181,625.26/15,751.99
  6. Step 6: Final answer
    x = 15,311.18

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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.