Home / 16,938.88-25,416.96-15,655.84

Finding the Fourth Proportional to 16,938.88, 25,416.96 and 15,655.84

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Solution

The fourth proportional to 16,938.88, 25,416.96 and 15,655.84 is: 23,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.88 : 25,416.96 = 15,655.84 : x
  2. Step 2: Convert to fraction form
    16,938.88/25,416.96 = 15,655.84/x
  3. Step 3: Cross multiply
    16,938.88x = 25,416.96 × 15,655.84
  4. Step 4: Simplify right side
    16,938.88x = 397,923,859.05
  5. Step 5: Solve for x
    x = 397,923,859.05/16,938.88
  6. Step 6: Final answer
    x = 23,491.75

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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.