Home / 13,457.48-20,187.26-4,098.30

Finding the Fourth Proportional to 13,457.48, 20,187.26 and 4,098.30

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Solution

The fourth proportional to 13,457.48, 20,187.26 and 4,098.30 is: 6,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.48 : 20,187.26 = 4,098.30 : x
  2. Step 2: Convert to fraction form
    13,457.48/20,187.26 = 4,098.30/x
  3. Step 3: Cross multiply
    13,457.48x = 20,187.26 × 4,098.30
  4. Step 4: Simplify right side
    13,457.48x = 82,733,351.46
  5. Step 5: Solve for x
    x = 82,733,351.46/13,457.48
  6. Step 6: Final answer
    x = 6,147.76

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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.