Home / 25,759.15-38,653.08-13,912.67

Finding the Fourth Proportional to 25,759.15, 38,653.08 and 13,912.67

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Solution

The fourth proportional to 25,759.15, 38,653.08 and 13,912.67 is: 20,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.15 : 38,653.08 = 13,912.67 : x
  2. Step 2: Convert to fraction form
    25,759.15/38,653.08 = 13,912.67/x
  3. Step 3: Cross multiply
    25,759.15x = 38,653.08 × 13,912.67
  4. Step 4: Simplify right side
    25,759.15x = 537,767,546.52
  5. Step 5: Solve for x
    x = 537,767,546.52/25,759.15
  6. Step 6: Final answer
    x = 20,876.76

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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.