Home / 15,983.49-23,974.25-4,889.31

Finding the Fourth Proportional to 15,983.49, 23,974.25 and 4,889.31

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Solution

The fourth proportional to 15,983.49, 23,974.25 and 4,889.31 is: 7,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.49 : 23,974.25 = 4,889.31 : x
  2. Step 2: Convert to fraction form
    15,983.49/23,974.25 = 4,889.31/x
  3. Step 3: Cross multiply
    15,983.49x = 23,974.25 × 4,889.31
  4. Step 4: Simplify right side
    15,983.49x = 117,217,515.82
  5. Step 5: Solve for x
    x = 117,217,515.82/15,983.49
  6. Step 6: Final answer
    x = 7,333.66

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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.