Home / 26,653.85-39,893.98-19,631.10

Finding the Fourth Proportional to 26,653.85, 39,893.98 and 19,631.10

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Solution

The fourth proportional to 26,653.85, 39,893.98 and 19,631.10 is: 29,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.85 : 39,893.98 = 19,631.10 : x
  2. Step 2: Convert to fraction form
    26,653.85/39,893.98 = 19,631.10/x
  3. Step 3: Cross multiply
    26,653.85x = 39,893.98 × 19,631.10
  4. Step 4: Simplify right side
    26,653.85x = 783,162,661.70
  5. Step 5: Solve for x
    x = 783,162,661.70/26,653.85
  6. Step 6: Final answer
    x = 29,382.72

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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.