Home / 17,081.04-25,631.16-9,290.40

Finding the Fourth Proportional to 17,081.04, 25,631.16 and 9,290.40

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Solution

The fourth proportional to 17,081.04, 25,631.16 and 9,290.40 is: 13,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081.04 : 25,631.16 = 9,290.40 : x
  2. Step 2: Convert to fraction form
    17,081.04/25,631.16 = 9,290.40/x
  3. Step 3: Cross multiply
    17,081.04x = 25,631.16 × 9,290.40
  4. Step 4: Simplify right side
    17,081.04x = 238,123,728.86
  5. Step 5: Solve for x
    x = 238,123,728.86/17,081.04
  6. Step 6: Final answer
    x = 13,940.82

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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.