Home / 13,272.96-18,317.19-7,304.48

Finding the Fourth Proportional to 13,272.96, 18,317.19 and 7,304.48

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Solution

The fourth proportional to 13,272.96, 18,317.19 and 7,304.48 is: 10,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.96 : 18,317.19 = 7,304.48 : x
  2. Step 2: Convert to fraction form
    13,272.96/18,317.19 = 7,304.48/x
  3. Step 3: Cross multiply
    13,272.96x = 18,317.19 × 7,304.48
  4. Step 4: Simplify right side
    13,272.96x = 133,797,511.42
  5. Step 5: Solve for x
    x = 133,797,511.42/13,272.96
  6. Step 6: Final answer
    x = 10,080.45

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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.