Home / 14,584.71-20,157.96-12,856.98

Finding the Fourth Proportional to 14,584.71, 20,157.96 and 12,856.98

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Solution

The fourth proportional to 14,584.71, 20,157.96 and 12,856.98 is: 17,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.71 : 20,157.96 = 12,856.98 : x
  2. Step 2: Convert to fraction form
    14,584.71/20,157.96 = 12,856.98/x
  3. Step 3: Cross multiply
    14,584.71x = 20,157.96 × 12,856.98
  4. Step 4: Simplify right side
    14,584.71x = 259,170,488.56
  5. Step 5: Solve for x
    x = 259,170,488.56/14,584.71
  6. Step 6: Final answer
    x = 17,770.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.