Home / 16,173.85-22,311.74-9,455.09

Finding the Fourth Proportional to 16,173.85, 22,311.74 and 9,455.09

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Solution

The fourth proportional to 16,173.85, 22,311.74 and 9,455.09 is: 13,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,173.85 : 22,311.74 = 9,455.09 : x
  2. Step 2: Convert to fraction form
    16,173.85/22,311.74 = 9,455.09/x
  3. Step 3: Cross multiply
    16,173.85x = 22,311.74 × 9,455.09
  4. Step 4: Simplify right side
    16,173.85x = 210,959,509.76
  5. Step 5: Solve for x
    x = 210,959,509.76/16,173.85
  6. Step 6: Final answer
    x = 13,043.25

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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.