Home / 16,753.20-23,120.01-11,097.78

Finding the Fourth Proportional to 16,753.20, 23,120.01 and 11,097.78

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Solution

The fourth proportional to 16,753.20, 23,120.01 and 11,097.78 is: 15,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,753.20 : 23,120.01 = 11,097.78 : x
  2. Step 2: Convert to fraction form
    16,753.20/23,120.01 = 11,097.78/x
  3. Step 3: Cross multiply
    16,753.20x = 23,120.01 × 11,097.78
  4. Step 4: Simplify right side
    16,753.20x = 256,580,784.58
  5. Step 5: Solve for x
    x = 256,580,784.58/16,753.20
  6. Step 6: Final answer
    x = 15,315.33

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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.