Home / 15,056.03-20,777.31-8,342.08

Finding the Fourth Proportional to 15,056.03, 20,777.31 and 8,342.08

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Solution

The fourth proportional to 15,056.03, 20,777.31 and 8,342.08 is: 11,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.03 : 20,777.31 = 8,342.08 : x
  2. Step 2: Convert to fraction form
    15,056.03/20,777.31 = 8,342.08/x
  3. Step 3: Cross multiply
    15,056.03x = 20,777.31 × 8,342.08
  4. Step 4: Simplify right side
    15,056.03x = 173,325,930.26
  5. Step 5: Solve for x
    x = 173,325,930.26/15,056.03
  6. Step 6: Final answer
    x = 11,512.06

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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.