Home / 22,280.36-30,676.74-16,958.12

Finding the Fourth Proportional to 22,280.36, 30,676.74 and 16,958.12

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Solution

The fourth proportional to 22,280.36, 30,676.74 and 16,958.12 is: 23,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.36 : 30,676.74 = 16,958.12 : x
  2. Step 2: Convert to fraction form
    22,280.36/30,676.74 = 16,958.12/x
  3. Step 3: Cross multiply
    22,280.36x = 30,676.74 × 16,958.12
  4. Step 4: Simplify right side
    22,280.36x = 520,219,838.13
  5. Step 5: Solve for x
    x = 520,219,838.13/22,280.36
  6. Step 6: Final answer
    x = 23,348.81

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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.