Home / 15,985.80-23,976.60-4,893.60

Finding the Fourth Proportional to 15,985.80, 23,976.60 and 4,893.60

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Solution

The fourth proportional to 15,985.80, 23,976.60 and 4,893.60 is: 7,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.80 : 23,976.60 = 4,893.60 : x
  2. Step 2: Convert to fraction form
    15,985.80/23,976.60 = 4,893.60/x
  3. Step 3: Cross multiply
    15,985.80x = 23,976.60 × 4,893.60
  4. Step 4: Simplify right side
    15,985.80x = 117,331,889.76
  5. Step 5: Solve for x
    x = 117,331,889.76/15,985.80
  6. Step 6: Final answer
    x = 7,339.76

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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.