Home / 15,983.99-23,975.00-4,889.81

Finding the Fourth Proportional to 15,983.99, 23,975.00 and 4,889.81

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Solution

The fourth proportional to 15,983.99, 23,975.00 and 4,889.81 is: 7,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.99 : 23,975.00 = 4,889.81 : x
  2. Step 2: Convert to fraction form
    15,983.99/23,975.00 = 4,889.81/x
  3. Step 3: Cross multiply
    15,983.99x = 23,975.00 × 4,889.81
  4. Step 4: Simplify right side
    15,983.99x = 117,233,170.30
  5. Step 5: Solve for x
    x = 117,233,170.30/15,983.99
  6. Step 6: Final answer
    x = 7,334.41

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1.5x scale

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.