Home / 13,953.06-20,922.30-5,183.19

Finding the Fourth Proportional to 13,953.06, 20,922.30 and 5,183.19

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Solution

The fourth proportional to 13,953.06, 20,922.30 and 5,183.19 is: 7,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.06 : 20,922.30 = 5,183.19 : x
  2. Step 2: Convert to fraction form
    13,953.06/20,922.30 = 5,183.19/x
  3. Step 3: Cross multiply
    13,953.06x = 20,922.30 × 5,183.19
  4. Step 4: Simplify right side
    13,953.06x = 108,444,256.14
  5. Step 5: Solve for x
    x = 108,444,256.14/13,953.06
  6. Step 6: Final answer
    x = 7,772.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.