Home / 19,896.48-29,849.34-7,416.54

Finding the Fourth Proportional to 19,896.48, 29,849.34 and 7,416.54

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Solution

The fourth proportional to 19,896.48, 29,849.34 and 7,416.54 is: 11,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.48 : 29,849.34 = 7,416.54 : x
  2. Step 2: Convert to fraction form
    19,896.48/29,849.34 = 7,416.54/x
  3. Step 3: Cross multiply
    19,896.48x = 29,849.34 × 7,416.54
  4. Step 4: Simplify right side
    19,896.48x = 221,378,824.08
  5. Step 5: Solve for x
    x = 221,378,824.08/19,896.48
  6. Step 6: Final answer
    x = 11,126.53

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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.