Home / 26,331.11-39,512.25-9,702.80

Finding the Fourth Proportional to 26,331.11, 39,512.25 and 9,702.80

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Solution

The fourth proportional to 26,331.11, 39,512.25 and 9,702.80 is: 14,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331.11 : 39,512.25 = 9,702.80 : x
  2. Step 2: Convert to fraction form
    26,331.11/39,512.25 = 9,702.80/x
  3. Step 3: Cross multiply
    26,331.11x = 39,512.25 × 9,702.80
  4. Step 4: Simplify right side
    26,331.11x = 383,379,261.74
  5. Step 5: Solve for x
    x = 383,379,261.74/26,331.11
  6. Step 6: Final answer
    x = 14,559.94

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1.5x scale

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.