Home / 20,333.34-28,051.11-11,946.06

Finding the Fourth Proportional to 20,333.34, 28,051.11 and 11,946.06

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Solution

The fourth proportional to 20,333.34, 28,051.11 and 11,946.06 is: 16,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.34 : 28,051.11 = 11,946.06 : x
  2. Step 2: Convert to fraction form
    20,333.34/28,051.11 = 11,946.06/x
  3. Step 3: Cross multiply
    20,333.34x = 28,051.11 × 11,946.06
  4. Step 4: Simplify right side
    20,333.34x = 335,100,243.13
  5. Step 5: Solve for x
    x = 335,100,243.13/20,333.34
  6. Step 6: Final answer
    x = 16,480.33

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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.