Home / 25,668.09-38,511.69-15,693.28

Finding the Fourth Proportional to 25,668.09, 38,511.69 and 15,693.28

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Solution

The fourth proportional to 25,668.09, 38,511.69 and 15,693.28 is: 23,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.09 : 38,511.69 = 15,693.28 : x
  2. Step 2: Convert to fraction form
    25,668.09/38,511.69 = 15,693.28/x
  3. Step 3: Cross multiply
    25,668.09x = 38,511.69 × 15,693.28
  4. Step 4: Simplify right side
    25,668.09x = 604,374,579.31
  5. Step 5: Solve for x
    x = 604,374,579.31/25,668.09
  6. Step 6: Final answer
    x = 23,545.76

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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.