Home / 15,647.31-23,468.76-5,784.93

Finding the Fourth Proportional to 15,647.31, 23,468.76 and 5,784.93

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Solution

The fourth proportional to 15,647.31, 23,468.76 and 5,784.93 is: 8,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.31 : 23,468.76 = 5,784.93 : x
  2. Step 2: Convert to fraction form
    15,647.31/23,468.76 = 5,784.93/x
  3. Step 3: Cross multiply
    15,647.31x = 23,468.76 × 5,784.93
  4. Step 4: Simplify right side
    15,647.31x = 135,765,133.79
  5. Step 5: Solve for x
    x = 135,765,133.79/15,647.31
  6. Step 6: Final answer
    x = 8,676.58

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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.