Home / 13,241.33-18,265.40-7,933.07

Finding the Fourth Proportional to 13,241.33, 18,265.40 and 7,933.07

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Solution

The fourth proportional to 13,241.33, 18,265.40 and 7,933.07 is: 10,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.33 : 18,265.40 = 7,933.07 : x
  2. Step 2: Convert to fraction form
    13,241.33/18,265.40 = 7,933.07/x
  3. Step 3: Cross multiply
    13,241.33x = 18,265.40 × 7,933.07
  4. Step 4: Simplify right side
    13,241.33x = 144,900,696.78
  5. Step 5: Solve for x
    x = 144,900,696.78/13,241.33
  6. Step 6: Final answer
    x = 10,943.06

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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.