Home / 15,836.55-23,745.23-7,929.87

Finding the Fourth Proportional to 15,836.55, 23,745.23 and 7,929.87

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Solution

The fourth proportional to 15,836.55, 23,745.23 and 7,929.87 is: 11,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.55 : 23,745.23 = 7,929.87 : x
  2. Step 2: Convert to fraction form
    15,836.55/23,745.23 = 7,929.87/x
  3. Step 3: Cross multiply
    15,836.55x = 23,745.23 × 7,929.87
  4. Step 4: Simplify right side
    15,836.55x = 188,296,547.37
  5. Step 5: Solve for x
    x = 188,296,547.37/15,836.55
  6. Step 6: Final answer
    x = 11,890.00

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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.