Home / 26,170.37-36,129.90-20,026.53

Finding the Fourth Proportional to 26,170.37, 36,129.90 and 20,026.53

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Solution

The fourth proportional to 26,170.37, 36,129.90 and 20,026.53 is: 27,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.37 : 36,129.90 = 20,026.53 : x
  2. Step 2: Convert to fraction form
    26,170.37/36,129.90 = 20,026.53/x
  3. Step 3: Cross multiply
    26,170.37x = 36,129.90 × 20,026.53
  4. Step 4: Simplify right side
    26,170.37x = 723,556,601.35
  5. Step 5: Solve for x
    x = 723,556,601.35/26,170.37
  6. Step 6: Final answer
    x = 27,647.93

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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.