Home / 16,981.79-25,472.63-11,137.03

Finding the Fourth Proportional to 16,981.79, 25,472.63 and 11,137.03

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Solution

The fourth proportional to 16,981.79, 25,472.63 and 11,137.03 is: 16,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.79 : 25,472.63 = 11,137.03 : x
  2. Step 2: Convert to fraction form
    16,981.79/25,472.63 = 11,137.03/x
  3. Step 3: Cross multiply
    16,981.79x = 25,472.63 × 11,137.03
  4. Step 4: Simplify right side
    16,981.79x = 283,689,408.65
  5. Step 5: Solve for x
    x = 283,689,408.65/16,981.79
  6. Step 6: Final answer
    x = 16,705.51

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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.