Home / 26,951.13-40,445.16-9,420.96

Finding the Fourth Proportional to 26,951.13, 40,445.16 and 9,420.96

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Solution

The fourth proportional to 26,951.13, 40,445.16 and 9,420.96 is: 14,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,951.13 : 40,445.16 = 9,420.96 : x
  2. Step 2: Convert to fraction form
    26,951.13/40,445.16 = 9,420.96/x
  3. Step 3: Cross multiply
    26,951.13x = 40,445.16 × 9,420.96
  4. Step 4: Simplify right side
    26,951.13x = 381,032,234.55
  5. Step 5: Solve for x
    x = 381,032,234.55/26,951.13
  6. Step 6: Final answer
    x = 14,137.89

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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.