Home / 15,268.72-22,905.24-4,878.04

Finding the Fourth Proportional to 15,268.72, 22,905.24 and 4,878.04

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Solution

The fourth proportional to 15,268.72, 22,905.24 and 4,878.04 is: 7,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.72 : 22,905.24 = 4,878.04 : x
  2. Step 2: Convert to fraction form
    15,268.72/22,905.24 = 4,878.04/x
  3. Step 3: Cross multiply
    15,268.72x = 22,905.24 × 4,878.04
  4. Step 4: Simplify right side
    15,268.72x = 111,732,676.93
  5. Step 5: Solve for x
    x = 111,732,676.93/15,268.72
  6. Step 6: Final answer
    x = 7,317.75

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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.