Home / 26,266.99-39,342.57-21,712.31

Finding the Fourth Proportional to 26,266.99, 39,342.57 and 21,712.31

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Solution

The fourth proportional to 26,266.99, 39,342.57 and 21,712.31 is: 32,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,266.99 : 39,342.57 = 21,712.31 : x
  2. Step 2: Convert to fraction form
    26,266.99/39,342.57 = 21,712.31/x
  3. Step 3: Cross multiply
    26,266.99x = 39,342.57 × 21,712.31
  4. Step 4: Simplify right side
    26,266.99x = 854,218,076.04
  5. Step 5: Solve for x
    x = 854,218,076.04/26,266.99
  6. Step 6: Final answer
    x = 32,520.59

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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.