Home / 26,321.54-36,311.00-19,140.30

Finding the Fourth Proportional to 26,321.54, 36,311.00 and 19,140.30

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Solution

The fourth proportional to 26,321.54, 36,311.00 and 19,140.30 is: 26,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.54 : 36,311.00 = 19,140.30 : x
  2. Step 2: Convert to fraction form
    26,321.54/36,311.00 = 19,140.30/x
  3. Step 3: Cross multiply
    26,321.54x = 36,311.00 × 19,140.30
  4. Step 4: Simplify right side
    26,321.54x = 695,003,337.60
  5. Step 5: Solve for x
    x = 695,003,337.60/26,321.54
  6. Step 6: Final answer
    x = 26,404.36

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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.