Home / 13,485.12-20,230.56-6,563.52

Finding the Fourth Proportional to 13,485.12, 20,230.56 and 6,563.52

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Solution

The fourth proportional to 13,485.12, 20,230.56 and 6,563.52 is: 9,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.12 : 20,230.56 = 6,563.52 : x
  2. Step 2: Convert to fraction form
    13,485.12/20,230.56 = 6,563.52/x
  3. Step 3: Cross multiply
    13,485.12x = 20,230.56 × 6,563.52
  4. Step 4: Simplify right side
    13,485.12x = 132,783,685.17
  5. Step 5: Solve for x
    x = 132,783,685.17/13,485.12
  6. Step 6: Final answer
    x = 9,846.68

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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.