Home / 13,585.14-20,381.36-5,794.56

Finding the Fourth Proportional to 13,585.14, 20,381.36 and 5,794.56

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Solution

The fourth proportional to 13,585.14, 20,381.36 and 5,794.56 is: 8,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.14 : 20,381.36 = 5,794.56 : x
  2. Step 2: Convert to fraction form
    13,585.14/20,381.36 = 5,794.56/x
  3. Step 3: Cross multiply
    13,585.14x = 20,381.36 × 5,794.56
  4. Step 4: Simplify right side
    13,585.14x = 118,100,984.43
  5. Step 5: Solve for x
    x = 118,100,984.43/13,585.14
  6. Step 6: Final answer
    x = 8,693.39

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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.