Home / 25,653.20-38,485.94-8,123.01

Finding the Fourth Proportional to 25,653.20, 38,485.94 and 8,123.01

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Solution

The fourth proportional to 25,653.20, 38,485.94 and 8,123.01 is: 12,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.20 : 38,485.94 = 8,123.01 : x
  2. Step 2: Convert to fraction form
    25,653.20/38,485.94 = 8,123.01/x
  3. Step 3: Cross multiply
    25,653.20x = 38,485.94 × 8,123.01
  4. Step 4: Simplify right side
    25,653.20x = 312,621,634.86
  5. Step 5: Solve for x
    x = 312,621,634.86/25,653.20
  6. Step 6: Final answer
    x = 12,186.46

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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.