Home / 15,056.82-20,777.58-8,342.37

Finding the Fourth Proportional to 15,056.82, 20,777.58 and 8,342.37

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Solution

The fourth proportional to 15,056.82, 20,777.58 and 8,342.37 is: 11,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.82 : 20,777.58 = 8,342.37 : x
  2. Step 2: Convert to fraction form
    15,056.82/20,777.58 = 8,342.37/x
  3. Step 3: Cross multiply
    15,056.82x = 20,777.58 × 8,342.37
  4. Step 4: Simplify right side
    15,056.82x = 173,334,260.06
  5. Step 5: Solve for x
    x = 173,334,260.06/15,056.82
  6. Step 6: Final answer
    x = 11,512.01

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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.