Home / 26,783.91-40,170.65-19,698.03

Finding the Fourth Proportional to 26,783.91, 40,170.65 and 19,698.03

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Solution

The fourth proportional to 26,783.91, 40,170.65 and 19,698.03 is: 29,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,783.91 : 40,170.65 = 19,698.03 : x
  2. Step 2: Convert to fraction form
    26,783.91/40,170.65 = 19,698.03/x
  3. Step 3: Cross multiply
    26,783.91x = 40,170.65 × 19,698.03
  4. Step 4: Simplify right side
    26,783.91x = 791,282,570.33
  5. Step 5: Solve for x
    x = 791,282,570.33/26,783.91
  6. Step 6: Final answer
    x = 29,543.21

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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.