Home / 25,739.56-38,554.66-14,640.54

Finding the Fourth Proportional to 25,739.56, 38,554.66 and 14,640.54

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Solution

The fourth proportional to 25,739.56, 38,554.66 and 14,640.54 is: 21,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.56 : 38,554.66 = 14,640.54 : x
  2. Step 2: Convert to fraction form
    25,739.56/38,554.66 = 14,640.54/x
  3. Step 3: Cross multiply
    25,739.56x = 38,554.66 × 14,640.54
  4. Step 4: Simplify right side
    25,739.56x = 564,461,041.92
  5. Step 5: Solve for x
    x = 564,461,041.92/25,739.56
  6. Step 6: Final answer
    x = 21,929.71

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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.