Home / 23,330.22-32,195.84-12,720.03

Finding the Fourth Proportional to 23,330.22, 32,195.84 and 12,720.03

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Solution

The fourth proportional to 23,330.22, 32,195.84 and 12,720.03 is: 17,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.22 : 32,195.84 = 12,720.03 : x
  2. Step 2: Convert to fraction form
    23,330.22/32,195.84 = 12,720.03/x
  3. Step 3: Cross multiply
    23,330.22x = 32,195.84 × 12,720.03
  4. Step 4: Simplify right side
    23,330.22x = 409,532,050.68
  5. Step 5: Solve for x
    x = 409,532,050.68/23,330.22
  6. Step 6: Final answer
    x = 17,553.72

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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.