Home / 16,921.96-23,344.26-10,958.92

Finding the Fourth Proportional to 16,921.96, 23,344.26 and 10,958.92

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Solution

The fourth proportional to 16,921.96, 23,344.26 and 10,958.92 is: 15,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.96 : 23,344.26 = 10,958.92 : x
  2. Step 2: Convert to fraction form
    16,921.96/23,344.26 = 10,958.92/x
  3. Step 3: Cross multiply
    16,921.96x = 23,344.26 × 10,958.92
  4. Step 4: Simplify right side
    16,921.96x = 255,827,877.80
  5. Step 5: Solve for x
    x = 255,827,877.80/16,921.96
  6. Step 6: Final answer
    x = 15,118.10

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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.