Home / 15,850.24-21,887.36-10,274.56

Finding the Fourth Proportional to 15,850.24, 21,887.36 and 10,274.56

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Solution

The fourth proportional to 15,850.24, 21,887.36 and 10,274.56 is: 14,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.24 : 21,887.36 = 10,274.56 : x
  2. Step 2: Convert to fraction form
    15,850.24/21,887.36 = 10,274.56/x
  3. Step 3: Cross multiply
    15,850.24x = 21,887.36 × 10,274.56
  4. Step 4: Simplify right side
    15,850.24x = 224,882,993.56
  5. Step 5: Solve for x
    x = 224,882,993.56/15,850.24
  6. Step 6: Final answer
    x = 14,187.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.