Home / 18,213.23-27,312.66-8,850.48

Finding the Fourth Proportional to 18,213.23, 27,312.66 and 8,850.48

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Solution

The fourth proportional to 18,213.23, 27,312.66 and 8,850.48 is: 13,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.23 : 27,312.66 = 8,850.48 : x
  2. Step 2: Convert to fraction form
    18,213.23/27,312.66 = 8,850.48/x
  3. Step 3: Cross multiply
    18,213.23x = 27,312.66 × 8,850.48
  4. Step 4: Simplify right side
    18,213.23x = 241,730,014.51
  5. Step 5: Solve for x
    x = 241,730,014.51/18,213.23
  6. Step 6: Final answer
    x = 13,272.22

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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.