Home / 19,785.15-29,669.04-5,930.91

Finding the Fourth Proportional to 19,785.15, 29,669.04 and 5,930.91

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Solution

The fourth proportional to 19,785.15, 29,669.04 and 5,930.91 is: 8,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.15 : 29,669.04 = 5,930.91 : x
  2. Step 2: Convert to fraction form
    19,785.15/29,669.04 = 5,930.91/x
  3. Step 3: Cross multiply
    19,785.15x = 29,669.04 × 5,930.91
  4. Step 4: Simplify right side
    19,785.15x = 175,964,406.03
  5. Step 5: Solve for x
    x = 175,964,406.03/19,785.15
  6. Step 6: Final answer
    x = 8,893.76

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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.