Home / 25,776.66-38,661.57-11,721.54

Finding the Fourth Proportional to 25,776.66, 38,661.57 and 11,721.54

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Solution

The fourth proportional to 25,776.66, 38,661.57 and 11,721.54 is: 17,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.66 : 38,661.57 = 11,721.54 : x
  2. Step 2: Convert to fraction form
    25,776.66/38,661.57 = 11,721.54/x
  3. Step 3: Cross multiply
    25,776.66x = 38,661.57 × 11,721.54
  4. Step 4: Simplify right side
    25,776.66x = 453,173,139.22
  5. Step 5: Solve for x
    x = 453,173,139.22/25,776.66
  6. Step 6: Final answer
    x = 17,580.75

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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.