Home / 26,820.44-37,019.38-16,742.81

Finding the Fourth Proportional to 26,820.44, 37,019.38 and 16,742.81

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Solution

The fourth proportional to 26,820.44, 37,019.38 and 16,742.81 is: 23,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.44 : 37,019.38 = 16,742.81 : x
  2. Step 2: Convert to fraction form
    26,820.44/37,019.38 = 16,742.81/x
  3. Step 3: Cross multiply
    26,820.44x = 37,019.38 × 16,742.81
  4. Step 4: Simplify right side
    26,820.44x = 619,808,445.66
  5. Step 5: Solve for x
    x = 619,808,445.66/26,820.44
  6. Step 6: Final answer
    x = 23,109.56

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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.