Home / 13,065.45-18,047.66-10,268.12

Finding the Fourth Proportional to 13,065.45, 18,047.66 and 10,268.12

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Solution

The fourth proportional to 13,065.45, 18,047.66 and 10,268.12 is: 14,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.45 : 18,047.66 = 10,268.12 : x
  2. Step 2: Convert to fraction form
    13,065.45/18,047.66 = 10,268.12/x
  3. Step 3: Cross multiply
    13,065.45x = 18,047.66 × 10,268.12
  4. Step 4: Simplify right side
    13,065.45x = 185,315,397.02
  5. Step 5: Solve for x
    x = 185,315,397.02/13,065.45
  6. Step 6: Final answer
    x = 14,183.62

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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.