Home / 22,021.04-30,388.96-12,085.04

Finding the Fourth Proportional to 22,021.04, 30,388.96 and 12,085.04

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Solution

The fourth proportional to 22,021.04, 30,388.96 and 12,085.04 is: 16,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.04 : 30,388.96 = 12,085.04 : x
  2. Step 2: Convert to fraction form
    22,021.04/30,388.96 = 12,085.04/x
  3. Step 3: Cross multiply
    22,021.04x = 30,388.96 × 12,085.04
  4. Step 4: Simplify right side
    22,021.04x = 367,251,797.16
  5. Step 5: Solve for x
    x = 367,251,797.16/22,021.04
  6. Step 6: Final answer
    x = 16,677.31

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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.