Home / 13,222.04-18,252.27-8,448.26

Finding the Fourth Proportional to 13,222.04, 18,252.27 and 8,448.26

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Solution

The fourth proportional to 13,222.04, 18,252.27 and 8,448.26 is: 11,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.04 : 18,252.27 = 8,448.26 : x
  2. Step 2: Convert to fraction form
    13,222.04/18,252.27 = 8,448.26/x
  3. Step 3: Cross multiply
    13,222.04x = 18,252.27 × 8,448.26
  4. Step 4: Simplify right side
    13,222.04x = 154,199,922.55
  5. Step 5: Solve for x
    x = 154,199,922.55/13,222.04
  6. Step 6: Final answer
    x = 11,662.34

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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.