Home / 38,208.30-57,291.45-13,246.12

Finding the Fourth Proportional to 38,208.30, 57,291.45 and 13,246.12

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Solution

The fourth proportional to 38,208.30, 57,291.45 and 13,246.12 is: 19,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,208.30 : 57,291.45 = 13,246.12 : x
  2. Step 2: Convert to fraction form
    38,208.30/57,291.45 = 13,246.12/x
  3. Step 3: Cross multiply
    38,208.30x = 57,291.45 × 13,246.12
  4. Step 4: Simplify right side
    38,208.30x = 758,889,421.67
  5. Step 5: Solve for x
    x = 758,889,421.67/38,208.30
  6. Step 6: Final answer
    x = 19,861.90

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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.