Home / 18,477.12-25,493.73-10,923.06

Finding the Fourth Proportional to 18,477.12, 25,493.73 and 10,923.06

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Solution

The fourth proportional to 18,477.12, 25,493.73 and 10,923.06 is: 15,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.12 : 25,493.73 = 10,923.06 : x
  2. Step 2: Convert to fraction form
    18,477.12/25,493.73 = 10,923.06/x
  3. Step 3: Cross multiply
    18,477.12x = 25,493.73 × 10,923.06
  4. Step 4: Simplify right side
    18,477.12x = 278,469,542.41
  5. Step 5: Solve for x
    x = 278,469,542.41/18,477.12
  6. Step 6: Final answer
    x = 15,071.05

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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.