Home / 19,354.89-29,034.92-7,665.36

Finding the Fourth Proportional to 19,354.89, 29,034.92 and 7,665.36

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Solution

The fourth proportional to 19,354.89, 29,034.92 and 7,665.36 is: 11,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.89 : 29,034.92 = 7,665.36 : x
  2. Step 2: Convert to fraction form
    19,354.89/29,034.92 = 7,665.36/x
  3. Step 3: Cross multiply
    19,354.89x = 29,034.92 × 7,665.36
  4. Step 4: Simplify right side
    19,354.89x = 222,563,076.04
  5. Step 5: Solve for x
    x = 222,563,076.04/19,354.89
  6. Step 6: Final answer
    x = 11,499.06

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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.