Home / 26,217.44-36,148.73-21,419.70

Finding the Fourth Proportional to 26,217.44, 36,148.73 and 21,419.70

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Solution

The fourth proportional to 26,217.44, 36,148.73 and 21,419.70 is: 29,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.44 : 36,148.73 = 21,419.70 : x
  2. Step 2: Convert to fraction form
    26,217.44/36,148.73 = 21,419.70/x
  3. Step 3: Cross multiply
    26,217.44x = 36,148.73 × 21,419.70
  4. Step 4: Simplify right side
    26,217.44x = 774,294,951.98
  5. Step 5: Solve for x
    x = 774,294,951.98/26,217.44
  6. Step 6: Final answer
    x = 29,533.58

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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.