Home / 26,156.83-36,111.24-20,012.98

Finding the Fourth Proportional to 26,156.83, 36,111.24 and 20,012.98

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Solution

The fourth proportional to 26,156.83, 36,111.24 and 20,012.98 is: 27,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.83 : 36,111.24 = 20,012.98 : x
  2. Step 2: Convert to fraction form
    26,156.83/36,111.24 = 20,012.98/x
  3. Step 3: Cross multiply
    26,156.83x = 36,111.24 × 20,012.98
  4. Step 4: Simplify right side
    26,156.83x = 722,693,433.62
  5. Step 5: Solve for x
    x = 722,693,433.62/26,156.83
  6. Step 6: Final answer
    x = 27,629.25

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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.