Home / 13,192.49-18,205.47-7,224.03

Finding the Fourth Proportional to 13,192.49, 18,205.47 and 7,224.03

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Solution

The fourth proportional to 13,192.49, 18,205.47 and 7,224.03 is: 9,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.49 : 18,205.47 = 7,224.03 : x
  2. Step 2: Convert to fraction form
    13,192.49/18,205.47 = 7,224.03/x
  3. Step 3: Cross multiply
    13,192.49x = 18,205.47 × 7,224.03
  4. Step 4: Simplify right side
    13,192.49x = 131,516,861.44
  5. Step 5: Solve for x
    x = 131,516,861.44/13,192.49
  6. Step 6: Final answer
    x = 9,969.07

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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.