Home / 14,671.47-20,246.27-8,383.44

Finding the Fourth Proportional to 14,671.47, 20,246.27 and 8,383.44

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Solution

The fourth proportional to 14,671.47, 20,246.27 and 8,383.44 is: 11,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.47 : 20,246.27 = 8,383.44 : x
  2. Step 2: Convert to fraction form
    14,671.47/20,246.27 = 8,383.44/x
  3. Step 3: Cross multiply
    14,671.47x = 20,246.27 × 8,383.44
  4. Step 4: Simplify right side
    14,671.47x = 169,733,347.85
  5. Step 5: Solve for x
    x = 169,733,347.85/14,671.47
  6. Step 6: Final answer
    x = 11,568.94

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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.