Home / 15,986.58-23,979.89-4,893.32

Finding the Fourth Proportional to 15,986.58, 23,979.89 and 4,893.32

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Solution

The fourth proportional to 15,986.58, 23,979.89 and 4,893.32 is: 7,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.58 : 23,979.89 = 4,893.32 : x
  2. Step 2: Convert to fraction form
    15,986.58/23,979.89 = 4,893.32/x
  3. Step 3: Cross multiply
    15,986.58x = 23,979.89 × 4,893.32
  4. Step 4: Simplify right side
    15,986.58x = 117,341,167.67
  5. Step 5: Solve for x
    x = 117,341,167.67/15,986.58
  6. Step 6: Final answer
    x = 7,339.98

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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.