Home / 18,735.84-25,855.56-10,352.34

Finding the Fourth Proportional to 18,735.84, 25,855.56 and 10,352.34

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Solution

The fourth proportional to 18,735.84, 25,855.56 and 10,352.34 is: 14,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.84 : 25,855.56 = 10,352.34 : x
  2. Step 2: Convert to fraction form
    18,735.84/25,855.56 = 10,352.34/x
  3. Step 3: Cross multiply
    18,735.84x = 25,855.56 × 10,352.34
  4. Step 4: Simplify right side
    18,735.84x = 267,665,548.01
  5. Step 5: Solve for x
    x = 267,665,548.01/18,735.84
  6. Step 6: Final answer
    x = 14,286.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.