Home / 23,790.20-32,830.74-13,180

Finding the Fourth Proportional to 23,790.20, 32,830.74 and 13,180

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Solution

The fourth proportional to 23,790.20, 32,830.74 and 13,180 is: 18,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,790.20 : 32,830.74 = 13,180 : x
  2. Step 2: Convert to fraction form
    23,790.20/32,830.74 = 13,180/x
  3. Step 3: Cross multiply
    23,790.20x = 32,830.74 × 13,180
  4. Step 4: Simplify right side
    23,790.20x = 432,709,153.20
  5. Step 5: Solve for x
    x = 432,709,153.20/23,790.20
  6. Step 6: Final answer
    x = 18,188.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.