Home / 14,860.38-20,507.61-8,145.96

Finding the Fourth Proportional to 14,860.38, 20,507.61 and 8,145.96

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Solution

The fourth proportional to 14,860.38, 20,507.61 and 8,145.96 is: 11,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.38 : 20,507.61 = 8,145.96 : x
  2. Step 2: Convert to fraction form
    14,860.38/20,507.61 = 8,145.96/x
  3. Step 3: Cross multiply
    14,860.38x = 20,507.61 × 8,145.96
  4. Step 4: Simplify right side
    14,860.38x = 167,054,130.03
  5. Step 5: Solve for x
    x = 167,054,130.03/14,860.38
  6. Step 6: Final answer
    x = 11,241.58

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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.