Home / 17,815.28-24,585.26-9,858.06

Finding the Fourth Proportional to 17,815.28, 24,585.26 and 9,858.06

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Solution

The fourth proportional to 17,815.28, 24,585.26 and 9,858.06 is: 13,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.28 : 24,585.26 = 9,858.06 : x
  2. Step 2: Convert to fraction form
    17,815.28/24,585.26 = 9,858.06/x
  3. Step 3: Cross multiply
    17,815.28x = 24,585.26 × 9,858.06
  4. Step 4: Simplify right side
    17,815.28x = 242,362,918.91
  5. Step 5: Solve for x
    x = 242,362,918.91/17,815.28
  6. Step 6: Final answer
    x = 13,604.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.