Home / 13,083.04-19,620.90-3,722.32

Finding the Fourth Proportional to 13,083.04, 19,620.90 and 3,722.32

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Solution

The fourth proportional to 13,083.04, 19,620.90 and 3,722.32 is: 5,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.04 : 19,620.90 = 3,722.32 : x
  2. Step 2: Convert to fraction form
    13,083.04/19,620.90 = 3,722.32/x
  3. Step 3: Cross multiply
    13,083.04x = 19,620.90 × 3,722.32
  4. Step 4: Simplify right side
    13,083.04x = 73,035,268.49
  5. Step 5: Solve for x
    x = 73,035,268.49/13,083.04
  6. Step 6: Final answer
    x = 5,582.44

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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.