Home / 13,533.55-20,375.53-11,725.17

Finding the Fourth Proportional to 13,533.55, 20,375.53 and 11,725.17

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Solution

The fourth proportional to 13,533.55, 20,375.53 and 11,725.17 is: 17,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.55 : 20,375.53 = 11,725.17 : x
  2. Step 2: Convert to fraction form
    13,533.55/20,375.53 = 11,725.17/x
  3. Step 3: Cross multiply
    13,533.55x = 20,375.53 × 11,725.17
  4. Step 4: Simplify right side
    13,533.55x = 238,906,627.94
  5. Step 5: Solve for x
    x = 238,906,627.94/13,533.55
  6. Step 6: Final answer
    x = 17,652.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.