Home / 18,570.24-27,837-6,880.32

Finding the Fourth Proportional to 18,570.24, 27,837 and 6,880.32

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Solution

The fourth proportional to 18,570.24, 27,837 and 6,880.32 is: 10,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.24 : 27,837 = 6,880.32 : x
  2. Step 2: Convert to fraction form
    18,570.24/27,837 = 6,880.32/x
  3. Step 3: Cross multiply
    18,570.24x = 27,837 × 6,880.32
  4. Step 4: Simplify right side
    18,570.24x = 191,527,467.84
  5. Step 5: Solve for x
    x = 191,527,467.84/18,570.24
  6. Step 6: Final answer
    x = 10,313.68

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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.