Home / 20,204.04-27,881.46-11,820.36

Finding the Fourth Proportional to 20,204.04, 27,881.46 and 11,820.36

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Solution

The fourth proportional to 20,204.04, 27,881.46 and 11,820.36 is: 16,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.04 : 27,881.46 = 11,820.36 : x
  2. Step 2: Convert to fraction form
    20,204.04/27,881.46 = 11,820.36/x
  3. Step 3: Cross multiply
    20,204.04x = 27,881.46 × 11,820.36
  4. Step 4: Simplify right side
    20,204.04x = 329,568,894.53
  5. Step 5: Solve for x
    x = 329,568,894.53/20,204.04
  6. Step 6: Final answer
    x = 16,312.03

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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.