Home / 19,966.36-29,949.56-6,115.36

Finding the Fourth Proportional to 19,966.36, 29,949.56 and 6,115.36

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Solution

The fourth proportional to 19,966.36, 29,949.56 and 6,115.36 is: 9,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.36 : 29,949.56 = 6,115.36 : x
  2. Step 2: Convert to fraction form
    19,966.36/29,949.56 = 6,115.36/x
  3. Step 3: Cross multiply
    19,966.36x = 29,949.56 × 6,115.36
  4. Step 4: Simplify right side
    19,966.36x = 183,152,341.24
  5. Step 5: Solve for x
    x = 183,152,341.24/19,966.36
  6. Step 6: Final answer
    x = 9,173.05

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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.