Home / 13,203.24-18,219.51-7,233.94

Finding the Fourth Proportional to 13,203.24, 18,219.51 and 7,233.94

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Solution

The fourth proportional to 13,203.24, 18,219.51 and 7,233.94 is: 9,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.24 : 18,219.51 = 7,233.94 : x
  2. Step 2: Convert to fraction form
    13,203.24/18,219.51 = 7,233.94/x
  3. Step 3: Cross multiply
    13,203.24x = 18,219.51 × 7,233.94
  4. Step 4: Simplify right side
    13,203.24x = 131,798,842.17
  5. Step 5: Solve for x
    x = 131,798,842.17/13,203.24
  6. Step 6: Final answer
    x = 9,982.31

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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.