Home / 26,343.66-36,367.47-20,361.81

Finding the Fourth Proportional to 26,343.66, 36,367.47 and 20,361.81

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Solution

The fourth proportional to 26,343.66, 36,367.47 and 20,361.81 is: 28,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.66 : 36,367.47 = 20,361.81 : x
  2. Step 2: Convert to fraction form
    26,343.66/36,367.47 = 20,361.81/x
  3. Step 3: Cross multiply
    26,343.66x = 36,367.47 × 20,361.81
  4. Step 4: Simplify right side
    26,343.66x = 740,507,514.32
  5. Step 5: Solve for x
    x = 740,507,514.32/26,343.66
  6. Step 6: Final answer
    x = 28,109.52

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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.