Home / 13,548.06-20,315.88-8,796.60

Finding the Fourth Proportional to 13,548.06, 20,315.88 and 8,796.60

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Solution

The fourth proportional to 13,548.06, 20,315.88 and 8,796.60 is: 13,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.06 : 20,315.88 = 8,796.60 : x
  2. Step 2: Convert to fraction form
    13,548.06/20,315.88 = 8,796.60/x
  3. Step 3: Cross multiply
    13,548.06x = 20,315.88 × 8,796.60
  4. Step 4: Simplify right side
    13,548.06x = 178,710,670.01
  5. Step 5: Solve for x
    x = 178,710,670.01/13,548.06
  6. Step 6: Final answer
    x = 13,190.87

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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.