Home / 18,241.04-25,181.16-11,530.64

Finding the Fourth Proportional to 18,241.04, 25,181.16 and 11,530.64

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Solution

The fourth proportional to 18,241.04, 25,181.16 and 11,530.64 is: 15,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.04 : 25,181.16 = 11,530.64 : x
  2. Step 2: Convert to fraction form
    18,241.04/25,181.16 = 11,530.64/x
  3. Step 3: Cross multiply
    18,241.04x = 25,181.16 × 11,530.64
  4. Step 4: Simplify right side
    18,241.04x = 290,354,890.74
  5. Step 5: Solve for x
    x = 290,354,890.74/18,241.04
  6. Step 6: Final answer
    x = 15,917.67

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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.