Home / 13,370.37-18,453.04-7,704.02

Finding the Fourth Proportional to 13,370.37, 18,453.04 and 7,704.02

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Solution

The fourth proportional to 13,370.37, 18,453.04 and 7,704.02 is: 10,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.37 : 18,453.04 = 7,704.02 : x
  2. Step 2: Convert to fraction form
    13,370.37/18,453.04 = 7,704.02/x
  3. Step 3: Cross multiply
    13,370.37x = 18,453.04 × 7,704.02
  4. Step 4: Simplify right side
    13,370.37x = 142,162,616.09
  5. Step 5: Solve for x
    x = 142,162,616.09/13,370.37
  6. Step 6: Final answer
    x = 10,632.66

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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.