Home / 15,977.24-23,969.38-4,884.78

Finding the Fourth Proportional to 15,977.24, 23,969.38 and 4,884.78

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Solution

The fourth proportional to 15,977.24, 23,969.38 and 4,884.78 is: 7,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.24 : 23,969.38 = 4,884.78 : x
  2. Step 2: Convert to fraction form
    15,977.24/23,969.38 = 4,884.78/x
  3. Step 3: Cross multiply
    15,977.24x = 23,969.38 × 4,884.78
  4. Step 4: Simplify right side
    15,977.24x = 117,085,148.04
  5. Step 5: Solve for x
    x = 117,085,148.04/15,977.24
  6. Step 6: Final answer
    x = 7,328.25

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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.