Home / 16,724.27-23,079.48-9,170.72

Finding the Fourth Proportional to 16,724.27, 23,079.48 and 9,170.72

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Solution

The fourth proportional to 16,724.27, 23,079.48 and 9,170.72 is: 12,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.27 : 23,079.48 = 9,170.72 : x
  2. Step 2: Convert to fraction form
    16,724.27/23,079.48 = 9,170.72/x
  3. Step 3: Cross multiply
    16,724.27x = 23,079.48 × 9,170.72
  4. Step 4: Simplify right side
    16,724.27x = 211,655,333.43
  5. Step 5: Solve for x
    x = 211,655,333.43/16,724.27
  6. Step 6: Final answer
    x = 12,655.58

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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.