Home / 13,192.41-18,205.53-7,224.47

Finding the Fourth Proportional to 13,192.41, 18,205.53 and 7,224.47

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Solution

The fourth proportional to 13,192.41, 18,205.53 and 7,224.47 is: 9,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.41 : 18,205.53 = 7,224.47 : x
  2. Step 2: Convert to fraction form
    13,192.41/18,205.53 = 7,224.47/x
  3. Step 3: Cross multiply
    13,192.41x = 18,205.53 × 7,224.47
  4. Step 4: Simplify right side
    13,192.41x = 131,525,305.32
  5. Step 5: Solve for x
    x = 131,525,305.32/13,192.41
  6. Step 6: Final answer
    x = 9,969.77

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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.