Home / 16,754.07-23,128.48-9,679.12

Finding the Fourth Proportional to 16,754.07, 23,128.48 and 9,679.12

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Solution

The fourth proportional to 16,754.07, 23,128.48 and 9,679.12 is: 13,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.07 : 23,128.48 = 9,679.12 : x
  2. Step 2: Convert to fraction form
    16,754.07/23,128.48 = 9,679.12/x
  3. Step 3: Cross multiply
    16,754.07x = 23,128.48 × 9,679.12
  4. Step 4: Simplify right side
    16,754.07x = 223,863,345.44
  5. Step 5: Solve for x
    x = 223,863,345.44/16,754.07
  6. Step 6: Final answer
    x = 13,361.73

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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.