Home / 19,458.88-29,209.10-8,371.06

Finding the Fourth Proportional to 19,458.88, 29,209.10 and 8,371.06

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Solution

The fourth proportional to 19,458.88, 29,209.10 and 8,371.06 is: 12,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.88 : 29,209.10 = 8,371.06 : x
  2. Step 2: Convert to fraction form
    19,458.88/29,209.10 = 8,371.06/x
  3. Step 3: Cross multiply
    19,458.88x = 29,209.10 × 8,371.06
  4. Step 4: Simplify right side
    19,458.88x = 244,511,128.65
  5. Step 5: Solve for x
    x = 244,511,128.65/19,458.88
  6. Step 6: Final answer
    x = 12,565.53

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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.