Home / 18,150.72-27,219.08-7,055.94

Finding the Fourth Proportional to 18,150.72, 27,219.08 and 7,055.94

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Solution

The fourth proportional to 18,150.72, 27,219.08 and 7,055.94 is: 10,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.72 : 27,219.08 = 7,055.94 : x
  2. Step 2: Convert to fraction form
    18,150.72/27,219.08 = 7,055.94/x
  3. Step 3: Cross multiply
    18,150.72x = 27,219.08 × 7,055.94
  4. Step 4: Simplify right side
    18,150.72x = 192,056,195.34
  5. Step 5: Solve for x
    x = 192,056,195.34/18,150.72
  6. Step 6: Final answer
    x = 10,581.19

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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.