Home / 26,142.36-36,051.86-20,164.52

Finding the Fourth Proportional to 26,142.36, 36,051.86 and 20,164.52

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Solution

The fourth proportional to 26,142.36, 36,051.86 and 20,164.52 is: 27,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.36 : 36,051.86 = 20,164.52 : x
  2. Step 2: Convert to fraction form
    26,142.36/36,051.86 = 20,164.52/x
  3. Step 3: Cross multiply
    26,142.36x = 36,051.86 × 20,164.52
  4. Step 4: Simplify right side
    26,142.36x = 726,968,452.01
  5. Step 5: Solve for x
    x = 726,968,452.01/26,142.36
  6. Step 6: Final answer
    x = 27,808.07

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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.