Home / 26,557.44-39,783-17,164.89

Finding the Fourth Proportional to 26,557.44, 39,783 and 17,164.89

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Solution

The fourth proportional to 26,557.44, 39,783 and 17,164.89 is: 25,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.44 : 39,783 = 17,164.89 : x
  2. Step 2: Convert to fraction form
    26,557.44/39,783 = 17,164.89/x
  3. Step 3: Cross multiply
    26,557.44x = 39,783 × 17,164.89
  4. Step 4: Simplify right side
    26,557.44x = 682,870,818.87
  5. Step 5: Solve for x
    x = 682,870,818.87/26,557.44
  6. Step 6: Final answer
    x = 25,712.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.