Home / 16,719.92-23,073.36-9,646.20

Finding the Fourth Proportional to 16,719.92, 23,073.36 and 9,646.20

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Solution

The fourth proportional to 16,719.92, 23,073.36 and 9,646.20 is: 13,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.92 : 23,073.36 = 9,646.20 : x
  2. Step 2: Convert to fraction form
    16,719.92/23,073.36 = 9,646.20/x
  3. Step 3: Cross multiply
    16,719.92x = 23,073.36 × 9,646.20
  4. Step 4: Simplify right side
    16,719.92x = 222,570,245.23
  5. Step 5: Solve for x
    x = 222,570,245.23/16,719.92
  6. Step 6: Final answer
    x = 13,311.68

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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.