Home / 26,193.52-36,122.25-20,215.72

Finding the Fourth Proportional to 26,193.52, 36,122.25 and 20,215.72

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Solution

The fourth proportional to 26,193.52, 36,122.25 and 20,215.72 is: 27,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,193.52 : 36,122.25 = 20,215.72 : x
  2. Step 2: Convert to fraction form
    26,193.52/36,122.25 = 20,215.72/x
  3. Step 3: Cross multiply
    26,193.52x = 36,122.25 × 20,215.72
  4. Step 4: Simplify right side
    26,193.52x = 730,237,291.77
  5. Step 5: Solve for x
    x = 730,237,291.77/26,193.52
  6. Step 6: Final answer
    x = 27,878.55

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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.