Home / 38,820.65-58,230.93-12,166.82

Finding the Fourth Proportional to 38,820.65, 58,230.93 and 12,166.82

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Solution

The fourth proportional to 38,820.65, 58,230.93 and 12,166.82 is: 18,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.65 : 58,230.93 = 12,166.82 : x
  2. Step 2: Convert to fraction form
    38,820.65/58,230.93 = 12,166.82/x
  3. Step 3: Cross multiply
    38,820.65x = 58,230.93 × 12,166.82
  4. Step 4: Simplify right side
    38,820.65x = 708,485,243.74
  5. Step 5: Solve for x
    x = 708,485,243.74/38,820.65
  6. Step 6: Final answer
    x = 18,250.22

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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.