Home / 19,768.96-29,653.44-5,918.08

Finding the Fourth Proportional to 19,768.96, 29,653.44 and 5,918.08

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Solution

The fourth proportional to 19,768.96, 29,653.44 and 5,918.08 is: 8,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.96 : 29,653.44 = 5,918.08 : x
  2. Step 2: Convert to fraction form
    19,768.96/29,653.44 = 5,918.08/x
  3. Step 3: Cross multiply
    19,768.96x = 29,653.44 × 5,918.08
  4. Step 4: Simplify right side
    19,768.96x = 175,491,430.20
  5. Step 5: Solve for x
    x = 175,491,430.20/19,768.96
  6. Step 6: Final answer
    x = 8,877.12

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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.