Home / 13,405.92-20,100.96-4,636.32

Finding the Fourth Proportional to 13,405.92, 20,100.96 and 4,636.32

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Solution

The fourth proportional to 13,405.92, 20,100.96 and 4,636.32 is: 6,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.92 : 20,100.96 = 4,636.32 : x
  2. Step 2: Convert to fraction form
    13,405.92/20,100.96 = 4,636.32/x
  3. Step 3: Cross multiply
    13,405.92x = 20,100.96 × 4,636.32
  4. Step 4: Simplify right side
    13,405.92x = 93,194,482.87
  5. Step 5: Solve for x
    x = 93,194,482.87/13,405.92
  6. Step 6: Final answer
    x = 6,951.74

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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.