Home / 15,733.44-21,712.18-8,563.34

Finding the Fourth Proportional to 15,733.44, 21,712.18 and 8,563.34

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Solution

The fourth proportional to 15,733.44, 21,712.18 and 8,563.34 is: 11,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.44 : 21,712.18 = 8,563.34 : x
  2. Step 2: Convert to fraction form
    15,733.44/21,712.18 = 8,563.34/x
  3. Step 3: Cross multiply
    15,733.44x = 21,712.18 × 8,563.34
  4. Step 4: Simplify right side
    15,733.44x = 185,928,779.48
  5. Step 5: Solve for x
    x = 185,928,779.48/15,733.44
  6. Step 6: Final answer
    x = 11,817.43

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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.