Home / 26,483.55-39,725.32-6,761.40

Finding the Fourth Proportional to 26,483.55, 39,725.32 and 6,761.40

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Solution

The fourth proportional to 26,483.55, 39,725.32 and 6,761.40 is: 10,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.55 : 39,725.32 = 6,761.40 : x
  2. Step 2: Convert to fraction form
    26,483.55/39,725.32 = 6,761.40/x
  3. Step 3: Cross multiply
    26,483.55x = 39,725.32 × 6,761.40
  4. Step 4: Simplify right side
    26,483.55x = 268,598,778.65
  5. Step 5: Solve for x
    x = 268,598,778.65/26,483.55
  6. Step 6: Final answer
    x = 10,142.10

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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.