Home / 12,866.01-19,298.97-8,451.54

Finding the Fourth Proportional to 12,866.01, 19,298.97 and 8,451.54

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Solution

The fourth proportional to 12,866.01, 19,298.97 and 8,451.54 is: 12,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.01 : 19,298.97 = 8,451.54 : x
  2. Step 2: Convert to fraction form
    12,866.01/19,298.97 = 8,451.54/x
  3. Step 3: Cross multiply
    12,866.01x = 19,298.97 × 8,451.54
  4. Step 4: Simplify right side
    12,866.01x = 163,106,016.91
  5. Step 5: Solve for x
    x = 163,106,016.91/12,866.01
  6. Step 6: Final answer
    x = 12,677.28

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.