Home / 16,900.40-23,330.68-11,244.56

Finding the Fourth Proportional to 16,900.40, 23,330.68 and 11,244.56

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Solution

The fourth proportional to 16,900.40, 23,330.68 and 11,244.56 is: 15,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.40 : 23,330.68 = 11,244.56 : x
  2. Step 2: Convert to fraction form
    16,900.40/23,330.68 = 11,244.56/x
  3. Step 3: Cross multiply
    16,900.40x = 23,330.68 × 11,244.56
  4. Step 4: Simplify right side
    16,900.40x = 262,343,231.10
  5. Step 5: Solve for x
    x = 262,343,231.10/16,900.40
  6. Step 6: Final answer
    x = 15,522.90

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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.