Home / 19,719.60-29,570.94-7,235.52

Finding the Fourth Proportional to 19,719.60, 29,570.94 and 7,235.52

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Solution

The fourth proportional to 19,719.60, 29,570.94 and 7,235.52 is: 10,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.60 : 29,570.94 = 7,235.52 : x
  2. Step 2: Convert to fraction form
    19,719.60/29,570.94 = 7,235.52/x
  3. Step 3: Cross multiply
    19,719.60x = 29,570.94 × 7,235.52
  4. Step 4: Simplify right side
    19,719.60x = 213,961,127.79
  5. Step 5: Solve for x
    x = 213,961,127.79/19,719.60
  6. Step 6: Final answer
    x = 10,850.18

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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.