Home / 13,482.44-20,209.77-5,160.18

Finding the Fourth Proportional to 13,482.44, 20,209.77 and 5,160.18

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Solution

The fourth proportional to 13,482.44, 20,209.77 and 5,160.18 is: 7,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.44 : 20,209.77 = 5,160.18 : x
  2. Step 2: Convert to fraction form
    13,482.44/20,209.77 = 5,160.18/x
  3. Step 3: Cross multiply
    13,482.44x = 20,209.77 × 5,160.18
  4. Step 4: Simplify right side
    13,482.44x = 104,286,050.96
  5. Step 5: Solve for x
    x = 104,286,050.96/13,482.44
  6. Step 6: Final answer
    x = 7,734.96

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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.