Home / 26,731.24-40,100.58-11,145.28

Finding the Fourth Proportional to 26,731.24, 40,100.58 and 11,145.28

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Solution

The fourth proportional to 26,731.24, 40,100.58 and 11,145.28 is: 16,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.24 : 40,100.58 = 11,145.28 : x
  2. Step 2: Convert to fraction form
    26,731.24/40,100.58 = 11,145.28/x
  3. Step 3: Cross multiply
    26,731.24x = 40,100.58 × 11,145.28
  4. Step 4: Simplify right side
    26,731.24x = 446,932,192.26
  5. Step 5: Solve for x
    x = 446,932,192.26/26,731.24
  6. Step 6: Final answer
    x = 16,719.47

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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.