Home / 26,789.99-40,175.75-10,990.56

Finding the Fourth Proportional to 26,789.99, 40,175.75 and 10,990.56

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Solution

The fourth proportional to 26,789.99, 40,175.75 and 10,990.56 is: 16,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.99 : 40,175.75 = 10,990.56 : x
  2. Step 2: Convert to fraction form
    26,789.99/40,175.75 = 10,990.56/x
  3. Step 3: Cross multiply
    26,789.99x = 40,175.75 × 10,990.56
  4. Step 4: Simplify right side
    26,789.99x = 441,553,994.24
  5. Step 5: Solve for x
    x = 441,553,994.24/26,789.99
  6. Step 6: Final answer
    x = 16,482.05

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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.