Home / 13,074.00-18,042.52-7,408.60

Finding the Fourth Proportional to 13,074.00, 18,042.52 and 7,408.60

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Solution

The fourth proportional to 13,074.00, 18,042.52 and 7,408.60 is: 10,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.00 : 18,042.52 = 7,408.60 : x
  2. Step 2: Convert to fraction form
    13,074.00/18,042.52 = 7,408.60/x
  3. Step 3: Cross multiply
    13,074.00x = 18,042.52 × 7,408.60
  4. Step 4: Simplify right side
    13,074.00x = 133,669,917.98
  5. Step 5: Solve for x
    x = 133,669,917.98/13,074.00
  6. Step 6: Final answer
    x = 10,224.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.