Home / 15,983.18-23,973.90-4,889.87

Finding the Fourth Proportional to 15,983.18, 23,973.90 and 4,889.87

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Solution

The fourth proportional to 15,983.18, 23,973.90 and 4,889.87 is: 7,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.18 : 23,973.90 = 4,889.87 : x
  2. Step 2: Convert to fraction form
    15,983.18/23,973.90 = 4,889.87/x
  3. Step 3: Cross multiply
    15,983.18x = 23,973.90 × 4,889.87
  4. Step 4: Simplify right side
    15,983.18x = 117,229,219.84
  5. Step 5: Solve for x
    x = 117,229,219.84/15,983.18
  6. Step 6: Final answer
    x = 7,334.54

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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.