Home / 19,628.74-27,078.72-11,666.44

Finding the Fourth Proportional to 19,628.74, 27,078.72 and 11,666.44

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Solution

The fourth proportional to 19,628.74, 27,078.72 and 11,666.44 is: 16,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.74 : 27,078.72 = 11,666.44 : x
  2. Step 2: Convert to fraction form
    19,628.74/27,078.72 = 11,666.44/x
  3. Step 3: Cross multiply
    19,628.74x = 27,078.72 × 11,666.44
  4. Step 4: Simplify right side
    19,628.74x = 315,912,126.76
  5. Step 5: Solve for x
    x = 315,912,126.76/19,628.74
  6. Step 6: Final answer
    x = 16,094.37

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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.