Home / 16,675.88-25,021.08-12,972.56

Finding the Fourth Proportional to 16,675.88, 25,021.08 and 12,972.56

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Solution

The fourth proportional to 16,675.88, 25,021.08 and 12,972.56 is: 19,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.88 : 25,021.08 = 12,972.56 : x
  2. Step 2: Convert to fraction form
    16,675.88/25,021.08 = 12,972.56/x
  3. Step 3: Cross multiply
    16,675.88x = 25,021.08 × 12,972.56
  4. Step 4: Simplify right side
    16,675.88x = 324,587,461.56
  5. Step 5: Solve for x
    x = 324,587,461.56/16,675.88
  6. Step 6: Final answer
    x = 19,464.49

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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.