Home / 25,475.56-38,190.54-9,889.48

Finding the Fourth Proportional to 25,475.56, 38,190.54 and 9,889.48

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Solution

The fourth proportional to 25,475.56, 38,190.54 and 9,889.48 is: 14,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.56 : 38,190.54 = 9,889.48 : x
  2. Step 2: Convert to fraction form
    25,475.56/38,190.54 = 9,889.48/x
  3. Step 3: Cross multiply
    25,475.56x = 38,190.54 × 9,889.48
  4. Step 4: Simplify right side
    25,475.56x = 377,684,581.52
  5. Step 5: Solve for x
    x = 377,684,581.52/25,475.56
  6. Step 6: Final answer
    x = 14,825.37

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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.