Home / 26,821.90-37,019.97-15,493.24

Finding the Fourth Proportional to 26,821.90, 37,019.97 and 15,493.24

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Solution

The fourth proportional to 26,821.90, 37,019.97 and 15,493.24 is: 21,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.90 : 37,019.97 = 15,493.24 : x
  2. Step 2: Convert to fraction form
    26,821.90/37,019.97 = 15,493.24/x
  3. Step 3: Cross multiply
    26,821.90x = 37,019.97 × 15,493.24
  4. Step 4: Simplify right side
    26,821.90x = 573,559,280.00
  5. Step 5: Solve for x
    x = 573,559,280.00/26,821.90
  6. Step 6: Final answer
    x = 21,383.99

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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.