Home / 19,359.36-29,053.28-8,841.28

Finding the Fourth Proportional to 19,359.36, 29,053.28 and 8,841.28

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Solution

The fourth proportional to 19,359.36, 29,053.28 and 8,841.28 is: 13,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.36 : 29,053.28 = 8,841.28 : x
  2. Step 2: Convert to fraction form
    19,359.36/29,053.28 = 8,841.28/x
  3. Step 3: Cross multiply
    19,359.36x = 29,053.28 × 8,841.28
  4. Step 4: Simplify right side
    19,359.36x = 256,868,183.40
  5. Step 5: Solve for x
    x = 256,868,183.40/19,359.36
  6. Step 6: Final answer
    x = 13,268.42

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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.