Home / 16,875.36-23,286.60-9,321.96

Finding the Fourth Proportional to 16,875.36, 23,286.60 and 9,321.96

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Solution

The fourth proportional to 16,875.36, 23,286.60 and 9,321.96 is: 12,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.36 : 23,286.60 = 9,321.96 : x
  2. Step 2: Convert to fraction form
    16,875.36/23,286.60 = 9,321.96/x
  3. Step 3: Cross multiply
    16,875.36x = 23,286.60 × 9,321.96
  4. Step 4: Simplify right side
    16,875.36x = 217,076,753.74
  5. Step 5: Solve for x
    x = 217,076,753.74/16,875.36
  6. Step 6: Final answer
    x = 12,863.53

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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.