Home / 15,669.23-23,511.51-7,772.49

Finding the Fourth Proportional to 15,669.23, 23,511.51 and 7,772.49

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Solution

The fourth proportional to 15,669.23, 23,511.51 and 7,772.49 is: 11,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.23 : 23,511.51 = 7,772.49 : x
  2. Step 2: Convert to fraction form
    15,669.23/23,511.51 = 7,772.49/x
  3. Step 3: Cross multiply
    15,669.23x = 23,511.51 × 7,772.49
  4. Step 4: Simplify right side
    15,669.23x = 182,742,976.36
  5. Step 5: Solve for x
    x = 182,742,976.36/15,669.23
  6. Step 6: Final answer
    x = 11,662.54

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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.