Home / 23,699.88-32,681.34-20,353.80

Finding the Fourth Proportional to 23,699.88, 32,681.34 and 20,353.80

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Solution

The fourth proportional to 23,699.88, 32,681.34 and 20,353.80 is: 28,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.88 : 32,681.34 = 20,353.80 : x
  2. Step 2: Convert to fraction form
    23,699.88/32,681.34 = 20,353.80/x
  3. Step 3: Cross multiply
    23,699.88x = 32,681.34 × 20,353.80
  4. Step 4: Simplify right side
    23,699.88x = 665,189,458.09
  5. Step 5: Solve for x
    x = 665,189,458.09/23,699.88
  6. Step 6: Final answer
    x = 28,067.21

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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.