Home / 19,894.67-27,440.60-16,889.83

Finding the Fourth Proportional to 19,894.67, 27,440.60 and 16,889.83

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Solution

The fourth proportional to 19,894.67, 27,440.60 and 16,889.83 is: 23,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.67 : 27,440.60 = 16,889.83 : x
  2. Step 2: Convert to fraction form
    19,894.67/27,440.60 = 16,889.83/x
  3. Step 3: Cross multiply
    19,894.67x = 27,440.60 × 16,889.83
  4. Step 4: Simplify right side
    19,894.67x = 463,466,847.45
  5. Step 5: Solve for x
    x = 463,466,847.45/19,894.67
  6. Step 6: Final answer
    x = 23,296.03

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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.