Home / 15,011.41-20,714.31-8,295.96

Finding the Fourth Proportional to 15,011.41, 20,714.31 and 8,295.96

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Solution

The fourth proportional to 15,011.41, 20,714.31 and 8,295.96 is: 11,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.41 : 20,714.31 = 8,295.96 : x
  2. Step 2: Convert to fraction form
    15,011.41/20,714.31 = 8,295.96/x
  3. Step 3: Cross multiply
    15,011.41x = 20,714.31 × 8,295.96
  4. Step 4: Simplify right side
    15,011.41x = 171,845,087.19
  5. Step 5: Solve for x
    x = 171,845,087.19/15,011.41
  6. Step 6: Final answer
    x = 11,447.63

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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.