Home / 18,493.37-25,518.48-11,326.49

Finding the Fourth Proportional to 18,493.37, 25,518.48 and 11,326.49

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Solution

The fourth proportional to 18,493.37, 25,518.48 and 11,326.49 is: 15,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.37 : 25,518.48 = 11,326.49 : x
  2. Step 2: Convert to fraction form
    18,493.37/25,518.48 = 11,326.49/x
  3. Step 3: Cross multiply
    18,493.37x = 25,518.48 × 11,326.49
  4. Step 4: Simplify right side
    18,493.37x = 289,034,808.54
  5. Step 5: Solve for x
    x = 289,034,808.54/18,493.37
  6. Step 6: Final answer
    x = 15,629.10

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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.