Home / 23,700.48-32,765.76-20,745.60

Finding the Fourth Proportional to 23,700.48, 32,765.76 and 20,745.60

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Solution

The fourth proportional to 23,700.48, 32,765.76 and 20,745.60 is: 28,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,700.48 : 32,765.76 = 20,745.60 : x
  2. Step 2: Convert to fraction form
    23,700.48/32,765.76 = 20,745.60/x
  3. Step 3: Cross multiply
    23,700.48x = 32,765.76 × 20,745.60
  4. Step 4: Simplify right side
    23,700.48x = 679,745,350.66
  5. Step 5: Solve for x
    x = 679,745,350.66/23,700.48
  6. Step 6: Final answer
    x = 28,680.66

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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.