Home / 38,149.96-57,234.88-14,457.68

Finding the Fourth Proportional to 38,149.96, 57,234.88 and 14,457.68

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Solution

The fourth proportional to 38,149.96, 57,234.88 and 14,457.68 is: 21,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.96 : 57,234.88 = 14,457.68 : x
  2. Step 2: Convert to fraction form
    38,149.96/57,234.88 = 14,457.68/x
  3. Step 3: Cross multiply
    38,149.96x = 57,234.88 × 14,457.68
  4. Step 4: Simplify right side
    38,149.96x = 827,483,579.88
  5. Step 5: Solve for x
    x = 827,483,579.88/38,149.96
  6. Step 6: Final answer
    x = 21,690.29

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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.