Home / 18,111.37-27,164.14-4,960.67

Finding the Fourth Proportional to 18,111.37, 27,164.14 and 4,960.67

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Solution

The fourth proportional to 18,111.37, 27,164.14 and 4,960.67 is: 7,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.37 : 27,164.14 = 4,960.67 : x
  2. Step 2: Convert to fraction form
    18,111.37/27,164.14 = 4,960.67/x
  3. Step 3: Cross multiply
    18,111.37x = 27,164.14 × 4,960.67
  4. Step 4: Simplify right side
    18,111.37x = 134,752,290.45
  5. Step 5: Solve for x
    x = 134,752,290.45/18,111.37
  6. Step 6: Final answer
    x = 7,440.20

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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.