Home / 13,823.59-20,735.38-3,435.34

Finding the Fourth Proportional to 13,823.59, 20,735.38 and 3,435.34

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Solution

The fourth proportional to 13,823.59, 20,735.38 and 3,435.34 is: 5,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.59 : 20,735.38 = 3,435.34 : x
  2. Step 2: Convert to fraction form
    13,823.59/20,735.38 = 3,435.34/x
  3. Step 3: Cross multiply
    13,823.59x = 20,735.38 × 3,435.34
  4. Step 4: Simplify right side
    13,823.59x = 71,233,063.15
  5. Step 5: Solve for x
    x = 71,233,063.15/13,823.59
  6. Step 6: Final answer
    x = 5,153.01

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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.