Home / 18,317.22-25,277.78-9,933.72

Finding the Fourth Proportional to 18,317.22, 25,277.78 and 9,933.72

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Solution

The fourth proportional to 18,317.22, 25,277.78 and 9,933.72 is: 13,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.22 : 25,277.78 = 9,933.72 : x
  2. Step 2: Convert to fraction form
    18,317.22/25,277.78 = 9,933.72/x
  3. Step 3: Cross multiply
    18,317.22x = 25,277.78 × 9,933.72
  4. Step 4: Simplify right side
    18,317.22x = 251,102,388.74
  5. Step 5: Solve for x
    x = 251,102,388.74/18,317.22
  6. Step 6: Final answer
    x = 13,708.54

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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.