Home / 26,687.72-40,039.68-14,205.62

Finding the Fourth Proportional to 26,687.72, 40,039.68 and 14,205.62

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Solution

The fourth proportional to 26,687.72, 40,039.68 and 14,205.62 is: 21,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.72 : 40,039.68 = 14,205.62 : x
  2. Step 2: Convert to fraction form
    26,687.72/40,039.68 = 14,205.62/x
  3. Step 3: Cross multiply
    26,687.72x = 40,039.68 × 14,205.62
  4. Step 4: Simplify right side
    26,687.72x = 568,788,479.00
  5. Step 5: Solve for x
    x = 568,788,479.00/26,687.72
  6. Step 6: Final answer
    x = 21,312.74

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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.