Home / 13,233.24-18,261.80-7,265

Finding the Fourth Proportional to 13,233.24, 18,261.80 and 7,265

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Solution

The fourth proportional to 13,233.24, 18,261.80 and 7,265 is: 10,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.24 : 18,261.80 = 7,265 : x
  2. Step 2: Convert to fraction form
    13,233.24/18,261.80 = 7,265/x
  3. Step 3: Cross multiply
    13,233.24x = 18,261.80 × 7,265
  4. Step 4: Simplify right side
    13,233.24x = 132,671,977
  5. Step 5: Solve for x
    x = 132,671,977/13,233.24
  6. Step 6: Final answer
    x = 10,025.66

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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.