Home / 27,698.60-38,242.35-17,103.80

Finding the Fourth Proportional to 27,698.60, 38,242.35 and 17,103.80

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Solution

The fourth proportional to 27,698.60, 38,242.35 and 17,103.80 is: 23,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.60 : 38,242.35 = 17,103.80 : x
  2. Step 2: Convert to fraction form
    27,698.60/38,242.35 = 17,103.80/x
  3. Step 3: Cross multiply
    27,698.60x = 38,242.35 × 17,103.80
  4. Step 4: Simplify right side
    27,698.60x = 654,089,505.93
  5. Step 5: Solve for x
    x = 654,089,505.93/27,698.60
  6. Step 6: Final answer
    x = 23,614.53

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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.