Home / 13,366.46-20,006.30-7,117.58

Finding the Fourth Proportional to 13,366.46, 20,006.30 and 7,117.58

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Solution

The fourth proportional to 13,366.46, 20,006.30 and 7,117.58 is: 10,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.46 : 20,006.30 = 7,117.58 : x
  2. Step 2: Convert to fraction form
    13,366.46/20,006.30 = 7,117.58/x
  3. Step 3: Cross multiply
    13,366.46x = 20,006.30 × 7,117.58
  4. Step 4: Simplify right side
    13,366.46x = 142,396,440.75
  5. Step 5: Solve for x
    x = 142,396,440.75/13,366.46
  6. Step 6: Final answer
    x = 10,653.27

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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.