Home / 15,980.96-23,975.13-4,889.27

Finding the Fourth Proportional to 15,980.96, 23,975.13 and 4,889.27

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Solution

The fourth proportional to 15,980.96, 23,975.13 and 4,889.27 is: 7,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.96 : 23,975.13 = 4,889.27 : x
  2. Step 2: Convert to fraction form
    15,980.96/23,975.13 = 4,889.27/x
  3. Step 3: Cross multiply
    15,980.96x = 23,975.13 × 4,889.27
  4. Step 4: Simplify right side
    15,980.96x = 117,220,883.86
  5. Step 5: Solve for x
    x = 117,220,883.86/15,980.96
  6. Step 6: Final answer
    x = 7,335.03

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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.