Home / 26,488.99-36,555.78-15,876.58

Finding the Fourth Proportional to 26,488.99, 36,555.78 and 15,876.58

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Solution

The fourth proportional to 26,488.99, 36,555.78 and 15,876.58 is: 21,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.99 : 36,555.78 = 15,876.58 : x
  2. Step 2: Convert to fraction form
    26,488.99/36,555.78 = 15,876.58/x
  3. Step 3: Cross multiply
    26,488.99x = 36,555.78 × 15,876.58
  4. Step 4: Simplify right side
    26,488.99x = 580,380,765.63
  5. Step 5: Solve for x
    x = 580,380,765.63/26,488.99
  6. Step 6: Final answer
    x = 21,910.26

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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.