Home / 23,720.37-32,659.16-20,885.77

Finding the Fourth Proportional to 23,720.37, 32,659.16 and 20,885.77

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Solution

The fourth proportional to 23,720.37, 32,659.16 and 20,885.77 is: 28,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.37 : 32,659.16 = 20,885.77 : x
  2. Step 2: Convert to fraction form
    23,720.37/32,659.16 = 20,885.77/x
  3. Step 3: Cross multiply
    23,720.37x = 32,659.16 × 20,885.77
  4. Step 4: Simplify right side
    23,720.37x = 682,111,704.15
  5. Step 5: Solve for x
    x = 682,111,704.15/23,720.37
  6. Step 6: Final answer
    x = 28,756.37

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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.