Home / 13,634.48-20,457.99-6,241.20

Finding the Fourth Proportional to 13,634.48, 20,457.99 and 6,241.20

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Solution

The fourth proportional to 13,634.48, 20,457.99 and 6,241.20 is: 9,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.48 : 20,457.99 = 6,241.20 : x
  2. Step 2: Convert to fraction form
    13,634.48/20,457.99 = 6,241.20/x
  3. Step 3: Cross multiply
    13,634.48x = 20,457.99 × 6,241.20
  4. Step 4: Simplify right side
    13,634.48x = 127,682,407.19
  5. Step 5: Solve for x
    x = 127,682,407.19/13,634.48
  6. Step 6: Final answer
    x = 9,364.67

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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.