Home / 13,732.12-18,940.26-9,014.68

Finding the Fourth Proportional to 13,732.12, 18,940.26 and 9,014.68

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Solution

The fourth proportional to 13,732.12, 18,940.26 and 9,014.68 is: 12,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.12 : 18,940.26 = 9,014.68 : x
  2. Step 2: Convert to fraction form
    13,732.12/18,940.26 = 9,014.68/x
  3. Step 3: Cross multiply
    13,732.12x = 18,940.26 × 9,014.68
  4. Step 4: Simplify right side
    13,732.12x = 170,740,383.02
  5. Step 5: Solve for x
    x = 170,740,383.02/13,732.12
  6. Step 6: Final answer
    x = 12,433.65

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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.