Home / 26,550.14-36,639.59-15,220.62

Finding the Fourth Proportional to 26,550.14, 36,639.59 and 15,220.62

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Solution

The fourth proportional to 26,550.14, 36,639.59 and 15,220.62 is: 21,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,550.14 : 36,639.59 = 15,220.62 : x
  2. Step 2: Convert to fraction form
    26,550.14/36,639.59 = 15,220.62/x
  3. Step 3: Cross multiply
    26,550.14x = 36,639.59 × 15,220.62
  4. Step 4: Simplify right side
    26,550.14x = 557,677,200.24
  5. Step 5: Solve for x
    x = 557,677,200.24/26,550.14
  6. Step 6: Final answer
    x = 21,004.68

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Double scale
Find fourth proportional to 26,551.14, 36,640.97 and 15,221.62
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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.