Home / 23,193.14-32,008.11-13,121.57

Finding the Fourth Proportional to 23,193.14, 32,008.11 and 13,121.57

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Solution

The fourth proportional to 23,193.14, 32,008.11 and 13,121.57 is: 18,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193.14 : 32,008.11 = 13,121.57 : x
  2. Step 2: Convert to fraction form
    23,193.14/32,008.11 = 13,121.57/x
  3. Step 3: Cross multiply
    23,193.14x = 32,008.11 × 13,121.57
  4. Step 4: Simplify right side
    23,193.14x = 419,996,771.81
  5. Step 5: Solve for x
    x = 419,996,771.81/23,193.14
  6. Step 6: Final answer
    x = 18,108.67

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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.