Home / 23,218.66-32,046.42-13,147.12

Finding the Fourth Proportional to 23,218.66, 32,046.42 and 13,147.12

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Solution

The fourth proportional to 23,218.66, 32,046.42 and 13,147.12 is: 18,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,218.66 : 32,046.42 = 13,147.12 : x
  2. Step 2: Convert to fraction form
    23,218.66/32,046.42 = 13,147.12/x
  3. Step 3: Cross multiply
    23,218.66x = 32,046.42 × 13,147.12
  4. Step 4: Simplify right side
    23,218.66x = 421,318,129.31
  5. Step 5: Solve for x
    x = 421,318,129.31/23,218.66
  6. Step 6: Final answer
    x = 18,145.67

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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.