Home / 13,060.08-19,563.12-8,679.60

Finding the Fourth Proportional to 13,060.08, 19,563.12 and 8,679.60

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Solution

The fourth proportional to 13,060.08, 19,563.12 and 8,679.60 is: 13,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.08 : 19,563.12 = 8,679.60 : x
  2. Step 2: Convert to fraction form
    13,060.08/19,563.12 = 8,679.60/x
  3. Step 3: Cross multiply
    13,060.08x = 19,563.12 × 8,679.60
  4. Step 4: Simplify right side
    13,060.08x = 169,800,056.35
  5. Step 5: Solve for x
    x = 169,800,056.35/13,060.08
  6. Step 6: Final answer
    x = 13,001.46

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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.