Home / 13,619.04-18,793.08-8,583.36

Finding the Fourth Proportional to 13,619.04, 18,793.08 and 8,583.36

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Solution

The fourth proportional to 13,619.04, 18,793.08 and 8,583.36 is: 11,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.04 : 18,793.08 = 8,583.36 : x
  2. Step 2: Convert to fraction form
    13,619.04/18,793.08 = 8,583.36/x
  3. Step 3: Cross multiply
    13,619.04x = 18,793.08 × 8,583.36
  4. Step 4: Simplify right side
    13,619.04x = 161,307,771.15
  5. Step 5: Solve for x
    x = 161,307,771.15/13,619.04
  6. Step 6: Final answer
    x = 11,844.28

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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.