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Finding the Fourth Proportional to 25,956.69, 38,922.73 and 13,464.23

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Solution

The fourth proportional to 25,956.69, 38,922.73 and 13,464.23 is: 20,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,956.69 : 38,922.73 = 13,464.23 : x
  2. Step 2: Convert to fraction form
    25,956.69/38,922.73 = 13,464.23/x
  3. Step 3: Cross multiply
    25,956.69x = 38,922.73 × 13,464.23
  4. Step 4: Simplify right side
    25,956.69x = 524,064,360.67
  5. Step 5: Solve for x
    x = 524,064,360.67/25,956.69
  6. Step 6: Final answer
    x = 20,189.96

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1.5x scale

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.