Home / 15,982.86-23,973.38-4,889.54

Finding the Fourth Proportional to 15,982.86, 23,973.38 and 4,889.54

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Solution

The fourth proportional to 15,982.86, 23,973.38 and 4,889.54 is: 7,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.86 : 23,973.38 = 4,889.54 : x
  2. Step 2: Convert to fraction form
    15,982.86/23,973.38 = 4,889.54/x
  3. Step 3: Cross multiply
    15,982.86x = 23,973.38 × 4,889.54
  4. Step 4: Simplify right side
    15,982.86x = 117,218,656.13
  5. Step 5: Solve for x
    x = 117,218,656.13/15,982.86
  6. Step 6: Final answer
    x = 7,334.02

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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.