Home / 19,559.43-29,340.86-5,519.58

Finding the Fourth Proportional to 19,559.43, 29,340.86 and 5,519.58

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Solution

The fourth proportional to 19,559.43, 29,340.86 and 5,519.58 is: 8,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.43 : 29,340.86 = 5,519.58 : x
  2. Step 2: Convert to fraction form
    19,559.43/29,340.86 = 5,519.58/x
  3. Step 3: Cross multiply
    19,559.43x = 29,340.86 × 5,519.58
  4. Step 4: Simplify right side
    19,559.43x = 161,949,224.04
  5. Step 5: Solve for x
    x = 161,949,224.04/19,559.43
  6. Step 6: Final answer
    x = 8,279.85

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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.