Home / 16,953.27-25,438.95-12,764.49

Finding the Fourth Proportional to 16,953.27, 25,438.95 and 12,764.49

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Solution

The fourth proportional to 16,953.27, 25,438.95 and 12,764.49 is: 19,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.27 : 25,438.95 = 12,764.49 : x
  2. Step 2: Convert to fraction form
    16,953.27/25,438.95 = 12,764.49/x
  3. Step 3: Cross multiply
    16,953.27x = 25,438.95 × 12,764.49
  4. Step 4: Simplify right side
    16,953.27x = 324,715,222.89
  5. Step 5: Solve for x
    x = 324,715,222.89/16,953.27
  6. Step 6: Final answer
    x = 19,153.55

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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.