Home / 13,224.04-18,255.03-8,450.26

Finding the Fourth Proportional to 13,224.04, 18,255.03 and 8,450.26

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Solution

The fourth proportional to 13,224.04, 18,255.03 and 8,450.26 is: 11,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.04 : 18,255.03 = 8,450.26 : x
  2. Step 2: Convert to fraction form
    13,224.04/18,255.03 = 8,450.26/x
  3. Step 3: Cross multiply
    13,224.04x = 18,255.03 × 8,450.26
  4. Step 4: Simplify right side
    13,224.04x = 154,259,749.81
  5. Step 5: Solve for x
    x = 154,259,749.81/13,224.04
  6. Step 6: Final answer
    x = 11,665.10

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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.