Home / 13,758.12-20,606.40-9,850.68

Finding the Fourth Proportional to 13,758.12, 20,606.40 and 9,850.68

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Solution

The fourth proportional to 13,758.12, 20,606.40 and 9,850.68 is: 14,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.12 : 20,606.40 = 9,850.68 : x
  2. Step 2: Convert to fraction form
    13,758.12/20,606.40 = 9,850.68/x
  3. Step 3: Cross multiply
    13,758.12x = 20,606.40 × 9,850.68
  4. Step 4: Simplify right side
    13,758.12x = 202,987,052.35
  5. Step 5: Solve for x
    x = 202,987,052.35/13,758.12
  6. Step 6: Final answer
    x = 14,753.98

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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.