Home / 16,806.03-23,189.67-9,731.07

Finding the Fourth Proportional to 16,806.03, 23,189.67 and 9,731.07

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Solution

The fourth proportional to 16,806.03, 23,189.67 and 9,731.07 is: 13,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.03 : 23,189.67 = 9,731.07 : x
  2. Step 2: Convert to fraction form
    16,806.03/23,189.67 = 9,731.07/x
  3. Step 3: Cross multiply
    16,806.03x = 23,189.67 × 9,731.07
  4. Step 4: Simplify right side
    16,806.03x = 225,660,302.05
  5. Step 5: Solve for x
    x = 225,660,302.05/16,806.03
  6. Step 6: Final answer
    x = 13,427.34

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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.