Home / 26,135.10-39,187.98-8,603.46

Finding the Fourth Proportional to 26,135.10, 39,187.98 and 8,603.46

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Solution

The fourth proportional to 26,135.10, 39,187.98 and 8,603.46 is: 12,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.10 : 39,187.98 = 8,603.46 : x
  2. Step 2: Convert to fraction form
    26,135.10/39,187.98 = 8,603.46/x
  3. Step 3: Cross multiply
    26,135.10x = 39,187.98 × 8,603.46
  4. Step 4: Simplify right side
    26,135.10x = 337,152,218.41
  5. Step 5: Solve for x
    x = 337,152,218.41/26,135.10
  6. Step 6: Final answer
    x = 12,900.36

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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.