Home / 26,112.84-39,174.12-8,583.90

Finding the Fourth Proportional to 26,112.84, 39,174.12 and 8,583.90

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Solution

The fourth proportional to 26,112.84, 39,174.12 and 8,583.90 is: 12,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.84 : 39,174.12 = 8,583.90 : x
  2. Step 2: Convert to fraction form
    26,112.84/39,174.12 = 8,583.90/x
  3. Step 3: Cross multiply
    26,112.84x = 39,174.12 × 8,583.90
  4. Step 4: Simplify right side
    26,112.84x = 336,266,728.67
  5. Step 5: Solve for x
    x = 336,266,728.67/26,112.84
  6. Step 6: Final answer
    x = 12,877.45

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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.