Home / 19,921.12-29,883.12-6,070.08

Finding the Fourth Proportional to 19,921.12, 29,883.12 and 6,070.08

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Solution

The fourth proportional to 19,921.12, 29,883.12 and 6,070.08 is: 9,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.12 : 29,883.12 = 6,070.08 : x
  2. Step 2: Convert to fraction form
    19,921.12/29,883.12 = 6,070.08/x
  3. Step 3: Cross multiply
    19,921.12x = 29,883.12 × 6,070.08
  4. Step 4: Simplify right side
    19,921.12x = 181,392,929.05
  5. Step 5: Solve for x
    x = 181,392,929.05/19,921.12
  6. Step 6: Final answer
    x = 9,105.56

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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.