Home / 19,002.81-28,504.62-5,855.16

Finding the Fourth Proportional to 19,002.81, 28,504.62 and 5,855.16

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Solution

The fourth proportional to 19,002.81, 28,504.62 and 5,855.16 is: 8,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.81 : 28,504.62 = 5,855.16 : x
  2. Step 2: Convert to fraction form
    19,002.81/28,504.62 = 5,855.16/x
  3. Step 3: Cross multiply
    19,002.81x = 28,504.62 × 5,855.16
  4. Step 4: Simplify right side
    19,002.81x = 166,899,110.84
  5. Step 5: Solve for x
    x = 166,899,110.84/19,002.81
  6. Step 6: Final answer
    x = 8,782.86

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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.