Home / 26,249.90-36,221.73-14,915.30

Finding the Fourth Proportional to 26,249.90, 36,221.73 and 14,915.30

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Solution

The fourth proportional to 26,249.90, 36,221.73 and 14,915.30 is: 20,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,249.90 : 36,221.73 = 14,915.30 : x
  2. Step 2: Convert to fraction form
    26,249.90/36,221.73 = 14,915.30/x
  3. Step 3: Cross multiply
    26,249.90x = 36,221.73 × 14,915.30
  4. Step 4: Simplify right side
    26,249.90x = 540,257,969.47
  5. Step 5: Solve for x
    x = 540,257,969.47/26,249.90
  6. Step 6: Final answer
    x = 20,581.33

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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.