Home / 39,183.96-58,780.38-14,235.72

Finding the Fourth Proportional to 39,183.96, 58,780.38 and 14,235.72

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Solution

The fourth proportional to 39,183.96, 58,780.38 and 14,235.72 is: 21,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183.96 : 58,780.38 = 14,235.72 : x
  2. Step 2: Convert to fraction form
    39,183.96/58,780.38 = 14,235.72/x
  3. Step 3: Cross multiply
    39,183.96x = 58,780.38 × 14,235.72
  4. Step 4: Simplify right side
    39,183.96x = 836,781,031.17
  5. Step 5: Solve for x
    x = 836,781,031.17/39,183.96
  6. Step 6: Final answer
    x = 21,355.19

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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.