Home / 38,676.07-58,022.61-12,383.47

Finding the Fourth Proportional to 38,676.07, 58,022.61 and 12,383.47

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Solution

The fourth proportional to 38,676.07, 58,022.61 and 12,383.47 is: 18,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676.07 : 58,022.61 = 12,383.47 : x
  2. Step 2: Convert to fraction form
    38,676.07/58,022.61 = 12,383.47/x
  3. Step 3: Cross multiply
    38,676.07x = 58,022.61 × 12,383.47
  4. Step 4: Simplify right side
    38,676.07x = 718,521,250.26
  5. Step 5: Solve for x
    x = 718,521,250.26/38,676.07
  6. Step 6: Final answer
    x = 18,577.93

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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.