Home / 14,036.88-19,371.22-7,749.38

Finding the Fourth Proportional to 14,036.88, 19,371.22 and 7,749.38

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Solution

The fourth proportional to 14,036.88, 19,371.22 and 7,749.38 is: 10,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.88 : 19,371.22 = 7,749.38 : x
  2. Step 2: Convert to fraction form
    14,036.88/19,371.22 = 7,749.38/x
  3. Step 3: Cross multiply
    14,036.88x = 19,371.22 × 7,749.38
  4. Step 4: Simplify right side
    14,036.88x = 150,114,944.84
  5. Step 5: Solve for x
    x = 150,114,944.84/14,036.88
  6. Step 6: Final answer
    x = 10,694.32

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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.