Home / 16,319.48-22,520.46-9,245.72

Finding the Fourth Proportional to 16,319.48, 22,520.46 and 9,245.72

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Solution

The fourth proportional to 16,319.48, 22,520.46 and 9,245.72 is: 12,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.48 : 22,520.46 = 9,245.72 : x
  2. Step 2: Convert to fraction form
    16,319.48/22,520.46 = 9,245.72/x
  3. Step 3: Cross multiply
    16,319.48x = 22,520.46 × 9,245.72
  4. Step 4: Simplify right side
    16,319.48x = 208,217,867.43
  5. Step 5: Solve for x
    x = 208,217,867.43/16,319.48
  6. Step 6: Final answer
    x = 12,758.85

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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.