Home / 16,753.14-23,128.56-11,455.74

Finding the Fourth Proportional to 16,753.14, 23,128.56 and 11,455.74

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Solution

The fourth proportional to 16,753.14, 23,128.56 and 11,455.74 is: 15,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,753.14 : 23,128.56 = 11,455.74 : x
  2. Step 2: Convert to fraction form
    16,753.14/23,128.56 = 11,455.74/x
  3. Step 3: Cross multiply
    16,753.14x = 23,128.56 × 11,455.74
  4. Step 4: Simplify right side
    16,753.14x = 264,954,769.93
  5. Step 5: Solve for x
    x = 264,954,769.93/16,753.14
  6. Step 6: Final answer
    x = 15,815.23

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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.