Home / 16,731.78-25,103.13-12,047.95

Finding the Fourth Proportional to 16,731.78, 25,103.13 and 12,047.95

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Solution

The fourth proportional to 16,731.78, 25,103.13 and 12,047.95 is: 18,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.78 : 25,103.13 = 12,047.95 : x
  2. Step 2: Convert to fraction form
    16,731.78/25,103.13 = 12,047.95/x
  3. Step 3: Cross multiply
    16,731.78x = 25,103.13 × 12,047.95
  4. Step 4: Simplify right side
    16,731.78x = 302,441,255.08
  5. Step 5: Solve for x
    x = 302,441,255.08/16,731.78
  6. Step 6: Final answer
    x = 18,075.86

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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.