Home / 13,508.50-20,253.75-5,608.96

Finding the Fourth Proportional to 13,508.50, 20,253.75 and 5,608.96

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Solution

The fourth proportional to 13,508.50, 20,253.75 and 5,608.96 is: 8,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.50 : 20,253.75 = 5,608.96 : x
  2. Step 2: Convert to fraction form
    13,508.50/20,253.75 = 5,608.96/x
  3. Step 3: Cross multiply
    13,508.50x = 20,253.75 × 5,608.96
  4. Step 4: Simplify right side
    13,508.50x = 113,602,473.60
  5. Step 5: Solve for x
    x = 113,602,473.60/13,508.50
  6. Step 6: Final answer
    x = 8,409.70

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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.