Home / 26,749.24-40,065.48-18,934.36

Finding the Fourth Proportional to 26,749.24, 40,065.48 and 18,934.36

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Solution

The fourth proportional to 26,749.24, 40,065.48 and 18,934.36 is: 28,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.24 : 40,065.48 = 18,934.36 : x
  2. Step 2: Convert to fraction form
    26,749.24/40,065.48 = 18,934.36/x
  3. Step 3: Cross multiply
    26,749.24x = 40,065.48 × 18,934.36
  4. Step 4: Simplify right side
    26,749.24x = 758,614,221.89
  5. Step 5: Solve for x
    x = 758,614,221.89/26,749.24
  6. Step 6: Final answer
    x = 28,360.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.