Home / 13,544.68-20,317.74-4,783.72

Finding the Fourth Proportional to 13,544.68, 20,317.74 and 4,783.72

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Solution

The fourth proportional to 13,544.68, 20,317.74 and 4,783.72 is: 7,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.68 : 20,317.74 = 4,783.72 : x
  2. Step 2: Convert to fraction form
    13,544.68/20,317.74 = 4,783.72/x
  3. Step 3: Cross multiply
    13,544.68x = 20,317.74 × 4,783.72
  4. Step 4: Simplify right side
    13,544.68x = 97,194,379.19
  5. Step 5: Solve for x
    x = 97,194,379.19/13,544.68
  6. Step 6: Final answer
    x = 7,175.83

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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.