Home / 16,821.24-23,213.42-9,651.45

Finding the Fourth Proportional to 16,821.24, 23,213.42 and 9,651.45

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Solution

The fourth proportional to 16,821.24, 23,213.42 and 9,651.45 is: 13,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.24 : 23,213.42 = 9,651.45 : x
  2. Step 2: Convert to fraction form
    16,821.24/23,213.42 = 9,651.45/x
  3. Step 3: Cross multiply
    16,821.24x = 23,213.42 × 9,651.45
  4. Step 4: Simplify right side
    16,821.24x = 224,043,162.46
  5. Step 5: Solve for x
    x = 224,043,162.46/16,821.24
  6. Step 6: Final answer
    x = 13,319.06

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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.