Home / 23,421.66-32,321.94-12,811.37

Finding the Fourth Proportional to 23,421.66, 32,321.94 and 12,811.37

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Solution

The fourth proportional to 23,421.66, 32,321.94 and 12,811.37 is: 17,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.66 : 32,321.94 = 12,811.37 : x
  2. Step 2: Convert to fraction form
    23,421.66/32,321.94 = 12,811.37/x
  3. Step 3: Cross multiply
    23,421.66x = 32,321.94 × 12,811.37
  4. Step 4: Simplify right side
    23,421.66x = 414,088,122.81
  5. Step 5: Solve for x
    x = 414,088,122.81/23,421.66
  6. Step 6: Final answer
    x = 17,679.71

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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.