Home / 21,167.01-29,210.22-11,735.37

Finding the Fourth Proportional to 21,167.01, 29,210.22 and 11,735.37

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Solution

The fourth proportional to 21,167.01, 29,210.22 and 11,735.37 is: 16,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.01 : 29,210.22 = 11,735.37 : x
  2. Step 2: Convert to fraction form
    21,167.01/29,210.22 = 11,735.37/x
  3. Step 3: Cross multiply
    21,167.01x = 29,210.22 × 11,735.37
  4. Step 4: Simplify right side
    21,167.01x = 342,792,739.48
  5. Step 5: Solve for x
    x = 342,792,739.48/21,167.01
  6. Step 6: Final answer
    x = 16,194.67

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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.