Home / 26,751.20-40,103.04-12,702.56

Finding the Fourth Proportional to 26,751.20, 40,103.04 and 12,702.56

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Solution

The fourth proportional to 26,751.20, 40,103.04 and 12,702.56 is: 19,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.20 : 40,103.04 = 12,702.56 : x
  2. Step 2: Convert to fraction form
    26,751.20/40,103.04 = 12,702.56/x
  3. Step 3: Cross multiply
    26,751.20x = 40,103.04 × 12,702.56
  4. Step 4: Simplify right side
    26,751.20x = 509,411,271.78
  5. Step 5: Solve for x
    x = 509,411,271.78/26,751.20
  6. Step 6: Final answer
    x = 19,042.56

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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.