Home / 18,149.10-27,219.33-7,055.34

Finding the Fourth Proportional to 18,149.10, 27,219.33 and 7,055.34

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Solution

The fourth proportional to 18,149.10, 27,219.33 and 7,055.34 is: 10,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.10 : 27,219.33 = 7,055.34 : x
  2. Step 2: Convert to fraction form
    18,149.10/27,219.33 = 7,055.34/x
  3. Step 3: Cross multiply
    18,149.10x = 27,219.33 × 7,055.34
  4. Step 4: Simplify right side
    18,149.10x = 192,041,627.72
  5. Step 5: Solve for x
    x = 192,041,627.72/18,149.10
  6. Step 6: Final answer
    x = 10,581.33

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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.