Home / 13,512.52-20,166.29-13,162.60

Finding the Fourth Proportional to 13,512.52, 20,166.29 and 13,162.60

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Solution

The fourth proportional to 13,512.52, 20,166.29 and 13,162.60 is: 19,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.52 : 20,166.29 = 13,162.60 : x
  2. Step 2: Convert to fraction form
    13,512.52/20,166.29 = 13,162.60/x
  3. Step 3: Cross multiply
    13,512.52x = 20,166.29 × 13,162.60
  4. Step 4: Simplify right side
    13,512.52x = 265,440,808.75
  5. Step 5: Solve for x
    x = 265,440,808.75/13,512.52
  6. Step 6: Final answer
    x = 19,644.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.