Home / 14,466.36-19,963.58-8,178.68

Finding the Fourth Proportional to 14,466.36, 19,963.58 and 8,178.68

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Solution

The fourth proportional to 14,466.36, 19,963.58 and 8,178.68 is: 11,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.36 : 19,963.58 = 8,178.68 : x
  2. Step 2: Convert to fraction form
    14,466.36/19,963.58 = 8,178.68/x
  3. Step 3: Cross multiply
    14,466.36x = 19,963.58 × 8,178.68
  4. Step 4: Simplify right side
    14,466.36x = 163,275,732.47
  5. Step 5: Solve for x
    x = 163,275,732.47/14,466.36
  6. Step 6: Final answer
    x = 11,286.58

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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.