Home / 13,812.01-20,704.14-4,445.15

Finding the Fourth Proportional to 13,812.01, 20,704.14 and 4,445.15

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Solution

The fourth proportional to 13,812.01, 20,704.14 and 4,445.15 is: 6,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.01 : 20,704.14 = 4,445.15 : x
  2. Step 2: Convert to fraction form
    13,812.01/20,704.14 = 4,445.15/x
  3. Step 3: Cross multiply
    13,812.01x = 20,704.14 × 4,445.15
  4. Step 4: Simplify right side
    13,812.01x = 92,032,923.15
  5. Step 5: Solve for x
    x = 92,032,923.15/13,812.01
  6. Step 6: Final answer
    x = 6,663.25

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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.