Home / 18,647.37-25,735.23-13,923.45

Finding the Fourth Proportional to 18,647.37, 25,735.23 and 13,923.45

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Solution

The fourth proportional to 18,647.37, 25,735.23 and 13,923.45 is: 19,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.37 : 25,735.23 = 13,923.45 : x
  2. Step 2: Convert to fraction form
    18,647.37/25,735.23 = 13,923.45/x
  3. Step 3: Cross multiply
    18,647.37x = 25,735.23 × 13,923.45
  4. Step 4: Simplify right side
    18,647.37x = 358,323,188.14
  5. Step 5: Solve for x
    x = 358,323,188.14/18,647.37
  6. Step 6: Final answer
    x = 19,215.75

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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.