Home / 19,015.94-26,235.60-12,310.04

Finding the Fourth Proportional to 19,015.94, 26,235.60 and 12,310.04

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Solution

The fourth proportional to 19,015.94, 26,235.60 and 12,310.04 is: 16,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.94 : 26,235.60 = 12,310.04 : x
  2. Step 2: Convert to fraction form
    19,015.94/26,235.60 = 12,310.04/x
  3. Step 3: Cross multiply
    19,015.94x = 26,235.60 × 12,310.04
  4. Step 4: Simplify right side
    19,015.94x = 322,961,285.42
  5. Step 5: Solve for x
    x = 322,961,285.42/19,015.94
  6. Step 6: Final answer
    x = 16,983.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.