Home / 26,321.39-36,323.46-14,990.90

Finding the Fourth Proportional to 26,321.39, 36,323.46 and 14,990.90

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Solution

The fourth proportional to 26,321.39, 36,323.46 and 14,990.90 is: 20,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.39 : 36,323.46 = 14,990.90 : x
  2. Step 2: Convert to fraction form
    26,321.39/36,323.46 = 14,990.90/x
  3. Step 3: Cross multiply
    26,321.39x = 36,323.46 × 14,990.90
  4. Step 4: Simplify right side
    26,321.39x = 544,521,174.90
  5. Step 5: Solve for x
    x = 544,521,174.90/26,321.39
  6. Step 6: Final answer
    x = 20,687.41

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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.