Home / 13,904.16-19,183.92-7,933.68

Finding the Fourth Proportional to 13,904.16, 19,183.92 and 7,933.68

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Solution

The fourth proportional to 13,904.16, 19,183.92 and 7,933.68 is: 10,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.16 : 19,183.92 = 7,933.68 : x
  2. Step 2: Convert to fraction form
    13,904.16/19,183.92 = 7,933.68/x
  3. Step 3: Cross multiply
    13,904.16x = 19,183.92 × 7,933.68
  4. Step 4: Simplify right side
    13,904.16x = 152,199,082.43
  5. Step 5: Solve for x
    x = 152,199,082.43/13,904.16
  6. Step 6: Final answer
    x = 10,946.30

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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.