Home / 14,463.56-19,963.40-8,179.58

Finding the Fourth Proportional to 14,463.56, 19,963.40 and 8,179.58

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Solution

The fourth proportional to 14,463.56, 19,963.40 and 8,179.58 is: 11,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.56 : 19,963.40 = 8,179.58 : x
  2. Step 2: Convert to fraction form
    14,463.56/19,963.40 = 8,179.58/x
  3. Step 3: Cross multiply
    14,463.56x = 19,963.40 × 8,179.58
  4. Step 4: Simplify right side
    14,463.56x = 163,292,236.38
  5. Step 5: Solve for x
    x = 163,292,236.38/14,463.56
  6. Step 6: Final answer
    x = 11,289.90

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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.