Home / 16,724.21-23,079.14-9,170.61

Finding the Fourth Proportional to 16,724.21, 23,079.14 and 9,170.61

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Solution

The fourth proportional to 16,724.21, 23,079.14 and 9,170.61 is: 12,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.21 : 23,079.14 = 9,170.61 : x
  2. Step 2: Convert to fraction form
    16,724.21/23,079.14 = 9,170.61/x
  3. Step 3: Cross multiply
    16,724.21x = 23,079.14 × 9,170.61
  4. Step 4: Simplify right side
    16,724.21x = 211,649,728.46
  5. Step 5: Solve for x
    x = 211,649,728.46/16,724.21
  6. Step 6: Final answer
    x = 12,655.29

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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.