Home / 26,731.48-36,826.72-18,650.38

Finding the Fourth Proportional to 26,731.48, 36,826.72 and 18,650.38

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Solution

The fourth proportional to 26,731.48, 36,826.72 and 18,650.38 is: 25,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.48 : 36,826.72 = 18,650.38 : x
  2. Step 2: Convert to fraction form
    26,731.48/36,826.72 = 18,650.38/x
  3. Step 3: Cross multiply
    26,731.48x = 36,826.72 × 18,650.38
  4. Step 4: Simplify right side
    26,731.48x = 686,832,322.15
  5. Step 5: Solve for x
    x = 686,832,322.15/26,731.48
  6. Step 6: Final answer
    x = 25,693.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.