Home / 13,192.64-18,205.08-7,224.44

Finding the Fourth Proportional to 13,192.64, 18,205.08 and 7,224.44

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Solution

The fourth proportional to 13,192.64, 18,205.08 and 7,224.44 is: 9,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.64 : 18,205.08 = 7,224.44 : x
  2. Step 2: Convert to fraction form
    13,192.64/18,205.08 = 7,224.44/x
  3. Step 3: Cross multiply
    13,192.64x = 18,205.08 × 7,224.44
  4. Step 4: Simplify right side
    13,192.64x = 131,521,508.16
  5. Step 5: Solve for x
    x = 131,521,508.16/13,192.64
  6. Step 6: Final answer
    x = 9,969.31

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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.