Home / 13,433.44-18,537.78-7,464.95

Finding the Fourth Proportional to 13,433.44, 18,537.78 and 7,464.95

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Solution

The fourth proportional to 13,433.44, 18,537.78 and 7,464.95 is: 10,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.44 : 18,537.78 = 7,464.95 : x
  2. Step 2: Convert to fraction form
    13,433.44/18,537.78 = 7,464.95/x
  3. Step 3: Cross multiply
    13,433.44x = 18,537.78 × 7,464.95
  4. Step 4: Simplify right side
    13,433.44x = 138,383,600.81
  5. Step 5: Solve for x
    x = 138,383,600.81/13,433.44
  6. Step 6: Final answer
    x = 10,301.43

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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.