Home / 18,317.28-25,277.92-9,933.76

Finding the Fourth Proportional to 18,317.28, 25,277.92 and 9,933.76

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Solution

The fourth proportional to 18,317.28, 25,277.92 and 9,933.76 is: 13,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.28 : 25,277.92 = 9,933.76 : x
  2. Step 2: Convert to fraction form
    18,317.28/25,277.92 = 9,933.76/x
  3. Step 3: Cross multiply
    18,317.28x = 25,277.92 × 9,933.76
  4. Step 4: Simplify right side
    18,317.28x = 251,104,790.58
  5. Step 5: Solve for x
    x = 251,104,790.58/18,317.28
  6. Step 6: Final answer
    x = 13,708.63

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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.