Home / 23,780.74-32,742.66-20,188.59

Finding the Fourth Proportional to 23,780.74, 32,742.66 and 20,188.59

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Solution

The fourth proportional to 23,780.74, 32,742.66 and 20,188.59 is: 27,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.74 : 32,742.66 = 20,188.59 : x
  2. Step 2: Convert to fraction form
    23,780.74/32,742.66 = 20,188.59/x
  3. Step 3: Cross multiply
    23,780.74x = 32,742.66 × 20,188.59
  4. Step 4: Simplify right side
    23,780.74x = 661,028,105.01
  5. Step 5: Solve for x
    x = 661,028,105.01/23,780.74
  6. Step 6: Final answer
    x = 27,796.79

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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.