Home / 16,875.30-23,287.44-9,321.49

Finding the Fourth Proportional to 16,875.30, 23,287.44 and 9,321.49

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Solution

The fourth proportional to 16,875.30, 23,287.44 and 9,321.49 is: 12,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.30 : 23,287.44 = 9,321.49 : x
  2. Step 2: Convert to fraction form
    16,875.30/23,287.44 = 9,321.49/x
  3. Step 3: Cross multiply
    16,875.30x = 23,287.44 × 9,321.49
  4. Step 4: Simplify right side
    16,875.30x = 217,073,639.09
  5. Step 5: Solve for x
    x = 217,073,639.09/16,875.30
  6. Step 6: Final answer
    x = 12,863.39

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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.