Home / 16,979.03-23,431.74-9,322.61

Finding the Fourth Proportional to 16,979.03, 23,431.74 and 9,322.61

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Solution

The fourth proportional to 16,979.03, 23,431.74 and 9,322.61 is: 12,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.03 : 23,431.74 = 9,322.61 : x
  2. Step 2: Convert to fraction form
    16,979.03/23,431.74 = 9,322.61/x
  3. Step 3: Cross multiply
    16,979.03x = 23,431.74 × 9,322.61
  4. Step 4: Simplify right side
    16,979.03x = 218,444,973.64
  5. Step 5: Solve for x
    x = 218,444,973.64/16,979.03
  6. Step 6: Final answer
    x = 12,865.57

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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.