Home / 19,575.56-29,355.80-7,091.88

Finding the Fourth Proportional to 19,575.56, 29,355.80 and 7,091.88

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Solution

The fourth proportional to 19,575.56, 29,355.80 and 7,091.88 is: 10,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.56 : 29,355.80 = 7,091.88 : x
  2. Step 2: Convert to fraction form
    19,575.56/29,355.80 = 7,091.88/x
  3. Step 3: Cross multiply
    19,575.56x = 29,355.80 × 7,091.88
  4. Step 4: Simplify right side
    19,575.56x = 208,187,810.90
  5. Step 5: Solve for x
    x = 208,187,810.90/19,575.56
  6. Step 6: Final answer
    x = 10,635.09

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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.