Home / 13,532.79-20,305.25-8,601.15

Finding the Fourth Proportional to 13,532.79, 20,305.25 and 8,601.15

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Solution

The fourth proportional to 13,532.79, 20,305.25 and 8,601.15 is: 12,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.79 : 20,305.25 = 8,601.15 : x
  2. Step 2: Convert to fraction form
    13,532.79/20,305.25 = 8,601.15/x
  3. Step 3: Cross multiply
    13,532.79x = 20,305.25 × 8,601.15
  4. Step 4: Simplify right side
    13,532.79x = 174,648,458.03
  5. Step 5: Solve for x
    x = 174,648,458.03/13,532.79
  6. Step 6: Final answer
    x = 12,905.58

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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.