Home / 23,820.20-32,873.90-13,213.25

Finding the Fourth Proportional to 23,820.20, 32,873.90 and 13,213.25

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Solution

The fourth proportional to 23,820.20, 32,873.90 and 13,213.25 is: 18,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.20 : 32,873.90 = 13,213.25 : x
  2. Step 2: Convert to fraction form
    23,820.20/32,873.90 = 13,213.25/x
  3. Step 3: Cross multiply
    23,820.20x = 32,873.90 × 13,213.25
  4. Step 4: Simplify right side
    23,820.20x = 434,370,993.11
  5. Step 5: Solve for x
    x = 434,370,993.11/23,820.20
  6. Step 6: Final answer
    x = 18,235.40

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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.