Home / 26,633.72-39,943.70-7,909.32

Finding the Fourth Proportional to 26,633.72, 39,943.70 and 7,909.32

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Solution

The fourth proportional to 26,633.72, 39,943.70 and 7,909.32 is: 11,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.72 : 39,943.70 = 7,909.32 : x
  2. Step 2: Convert to fraction form
    26,633.72/39,943.70 = 7,909.32/x
  3. Step 3: Cross multiply
    26,633.72x = 39,943.70 × 7,909.32
  4. Step 4: Simplify right side
    26,633.72x = 315,927,505.28
  5. Step 5: Solve for x
    x = 315,927,505.28/26,633.72
  6. Step 6: Final answer
    x = 11,861.94

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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.