Home / 13,268.96-18,310.65-7,300.52

Finding the Fourth Proportional to 13,268.96, 18,310.65 and 7,300.52

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Solution

The fourth proportional to 13,268.96, 18,310.65 and 7,300.52 is: 10,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.96 : 18,310.65 = 7,300.52 : x
  2. Step 2: Convert to fraction form
    13,268.96/18,310.65 = 7,300.52/x
  3. Step 3: Cross multiply
    13,268.96x = 18,310.65 × 7,300.52
  4. Step 4: Simplify right side
    13,268.96x = 133,677,266.54
  5. Step 5: Solve for x
    x = 133,677,266.54/13,268.96
  6. Step 6: Final answer
    x = 10,074.43

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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.