Home / 13,461.60-20,181.84-6,534.24

Finding the Fourth Proportional to 13,461.60, 20,181.84 and 6,534.24

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Solution

The fourth proportional to 13,461.60, 20,181.84 and 6,534.24 is: 9,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.60 : 20,181.84 = 6,534.24 : x
  2. Step 2: Convert to fraction form
    13,461.60/20,181.84 = 6,534.24/x
  3. Step 3: Cross multiply
    13,461.60x = 20,181.84 × 6,534.24
  4. Step 4: Simplify right side
    13,461.60x = 131,872,986.20
  5. Step 5: Solve for x
    x = 131,872,986.20/13,461.60
  6. Step 6: Final answer
    x = 9,796.23

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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.