Home / 19,777.34-27,285.93-11,273.33

Finding the Fourth Proportional to 19,777.34, 27,285.93 and 11,273.33

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Solution

The fourth proportional to 19,777.34, 27,285.93 and 11,273.33 is: 15,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.34 : 27,285.93 = 11,273.33 : x
  2. Step 2: Convert to fraction form
    19,777.34/27,285.93 = 11,273.33/x
  3. Step 3: Cross multiply
    19,777.34x = 27,285.93 × 11,273.33
  4. Step 4: Simplify right side
    19,777.34x = 307,603,156.82
  5. Step 5: Solve for x
    x = 307,603,156.82/19,777.34
  6. Step 6: Final answer
    x = 15,553.32

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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.