Home / 18,995.22-26,220.72-17,002.26

Finding the Fourth Proportional to 18,995.22, 26,220.72 and 17,002.26

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Solution

The fourth proportional to 18,995.22, 26,220.72 and 17,002.26 is: 23,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.22 : 26,220.72 = 17,002.26 : x
  2. Step 2: Convert to fraction form
    18,995.22/26,220.72 = 17,002.26/x
  3. Step 3: Cross multiply
    18,995.22x = 26,220.72 × 17,002.26
  4. Step 4: Simplify right side
    18,995.22x = 445,811,498.83
  5. Step 5: Solve for x
    x = 445,811,498.83/18,995.22
  6. Step 6: Final answer
    x = 23,469.67

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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.