Home / 23,698.88-32,679.96-20,352.78

Finding the Fourth Proportional to 23,698.88, 32,679.96 and 20,352.78

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Solution

The fourth proportional to 23,698.88, 32,679.96 and 20,352.78 is: 28,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,698.88 : 32,679.96 = 20,352.78 : x
  2. Step 2: Convert to fraction form
    23,698.88/32,679.96 = 20,352.78/x
  3. Step 3: Cross multiply
    23,698.88x = 32,679.96 × 20,352.78
  4. Step 4: Simplify right side
    23,698.88x = 665,128,036.29
  5. Step 5: Solve for x
    x = 665,128,036.29/23,698.88
  6. Step 6: Final answer
    x = 28,065.80

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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.