Home / 13,192.37-18,205.50-7,224.06

Finding the Fourth Proportional to 13,192.37, 18,205.50 and 7,224.06

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Solution

The fourth proportional to 13,192.37, 18,205.50 and 7,224.06 is: 9,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.37 : 18,205.50 = 7,224.06 : x
  2. Step 2: Convert to fraction form
    13,192.37/18,205.50 = 7,224.06/x
  3. Step 3: Cross multiply
    13,192.37x = 18,205.50 × 7,224.06
  4. Step 4: Simplify right side
    13,192.37x = 131,517,624.33
  5. Step 5: Solve for x
    x = 131,517,624.33/13,192.37
  6. Step 6: Final answer
    x = 9,969.22

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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.