Home / 38,768.69-58,116.09-12,454.96

Finding the Fourth Proportional to 38,768.69, 58,116.09 and 12,454.96

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Solution

The fourth proportional to 38,768.69, 58,116.09 and 12,454.96 is: 18,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768.69 : 58,116.09 = 12,454.96 : x
  2. Step 2: Convert to fraction form
    38,768.69/58,116.09 = 12,454.96/x
  3. Step 3: Cross multiply
    38,768.69x = 58,116.09 × 12,454.96
  4. Step 4: Simplify right side
    38,768.69x = 723,833,576.31
  5. Step 5: Solve for x
    x = 723,833,576.31/38,768.69
  6. Step 6: Final answer
    x = 18,670.57

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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.