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Finding the Fourth Proportional to 13,804.16, 20,700.09 and 3,941.19

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Solution

The fourth proportional to 13,804.16, 20,700.09 and 3,941.19 is: 5,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.16 : 20,700.09 = 3,941.19 : x
  2. Step 2: Convert to fraction form
    13,804.16/20,700.09 = 3,941.19/x
  3. Step 3: Cross multiply
    13,804.16x = 20,700.09 × 3,941.19
  4. Step 4: Simplify right side
    13,804.16x = 81,582,987.71
  5. Step 5: Solve for x
    x = 81,582,987.71/13,804.16
  6. Step 6: Final answer
    x = 5,910.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.