Home / 15,945.69-23,911.25-5,555.01

Finding the Fourth Proportional to 15,945.69, 23,911.25 and 5,555.01

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Solution

The fourth proportional to 15,945.69, 23,911.25 and 5,555.01 is: 8,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.69 : 23,911.25 = 5,555.01 : x
  2. Step 2: Convert to fraction form
    15,945.69/23,911.25 = 5,555.01/x
  3. Step 3: Cross multiply
    15,945.69x = 23,911.25 × 5,555.01
  4. Step 4: Simplify right side
    15,945.69x = 132,827,205.09
  5. Step 5: Solve for x
    x = 132,827,205.09/15,945.69
  6. Step 6: Final answer
    x = 8,329.98

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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.