Home / 17,117.62-23,654.79-12,353.20

Finding the Fourth Proportional to 17,117.62, 23,654.79 and 12,353.20

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Solution

The fourth proportional to 17,117.62, 23,654.79 and 12,353.20 is: 17,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.62 : 23,654.79 = 12,353.20 : x
  2. Step 2: Convert to fraction form
    17,117.62/23,654.79 = 12,353.20/x
  3. Step 3: Cross multiply
    17,117.62x = 23,654.79 × 12,353.20
  4. Step 4: Simplify right side
    17,117.62x = 292,212,351.83
  5. Step 5: Solve for x
    x = 292,212,351.83/17,117.62
  6. Step 6: Final answer
    x = 17,070.85

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1.5x scale

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.