Home / 12,863.23-19,327.14-8,185.28

Finding the Fourth Proportional to 12,863.23, 19,327.14 and 8,185.28

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Solution

The fourth proportional to 12,863.23, 19,327.14 and 8,185.28 is: 12,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.23 : 19,327.14 = 8,185.28 : x
  2. Step 2: Convert to fraction form
    12,863.23/19,327.14 = 8,185.28/x
  3. Step 3: Cross multiply
    12,863.23x = 19,327.14 × 8,185.28
  4. Step 4: Simplify right side
    12,863.23x = 158,197,955.86
  5. Step 5: Solve for x
    x = 158,197,955.86/12,863.23
  6. Step 6: Final answer
    x = 12,298.47

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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.