Home / 23,820.75-32,872.64-13,212.59

Finding the Fourth Proportional to 23,820.75, 32,872.64 and 13,212.59

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Solution

The fourth proportional to 23,820.75, 32,872.64 and 13,212.59 is: 18,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.75 : 32,872.64 = 13,212.59 : x
  2. Step 2: Convert to fraction form
    23,820.75/32,872.64 = 13,212.59/x
  3. Step 3: Cross multiply
    23,820.75x = 32,872.64 × 13,212.59
  4. Step 4: Simplify right side
    23,820.75x = 434,332,484.11
  5. Step 5: Solve for x
    x = 434,332,484.11/23,820.75
  6. Step 6: Final answer
    x = 18,233.37

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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.