Home / 18,617.06-25,695.60-11,453.14

Finding the Fourth Proportional to 18,617.06, 25,695.60 and 11,453.14

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Solution

The fourth proportional to 18,617.06, 25,695.60 and 11,453.14 is: 15,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.06 : 25,695.60 = 11,453.14 : x
  2. Step 2: Convert to fraction form
    18,617.06/25,695.60 = 11,453.14/x
  3. Step 3: Cross multiply
    18,617.06x = 25,695.60 × 11,453.14
  4. Step 4: Simplify right side
    18,617.06x = 294,295,304.18
  5. Step 5: Solve for x
    x = 294,295,304.18/18,617.06
  6. Step 6: Final answer
    x = 15,807.83

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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.