Home / 13,966.92-20,944.80-5,645.34

Finding the Fourth Proportional to 13,966.92, 20,944.80 and 5,645.34

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Solution

The fourth proportional to 13,966.92, 20,944.80 and 5,645.34 is: 8,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.92 : 20,944.80 = 5,645.34 : x
  2. Step 2: Convert to fraction form
    13,966.92/20,944.80 = 5,645.34/x
  3. Step 3: Cross multiply
    13,966.92x = 20,944.80 × 5,645.34
  4. Step 4: Simplify right side
    13,966.92x = 118,240,517.23
  5. Step 5: Solve for x
    x = 118,240,517.23/13,966.92
  6. Step 6: Final answer
    x = 8,465.75

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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.