Home / 23,309.80-32,093.22-21,720.04

Finding the Fourth Proportional to 23,309.80, 32,093.22 and 21,720.04

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Solution

The fourth proportional to 23,309.80, 32,093.22 and 21,720.04 is: 29,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,309.80 : 32,093.22 = 21,720.04 : x
  2. Step 2: Convert to fraction form
    23,309.80/32,093.22 = 21,720.04/x
  3. Step 3: Cross multiply
    23,309.80x = 32,093.22 × 21,720.04
  4. Step 4: Simplify right side
    23,309.80x = 697,066,022.13
  5. Step 5: Solve for x
    x = 697,066,022.13/23,309.80
  6. Step 6: Final answer
    x = 29,904.42

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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.