Home / 17,817.72-26,730.23-6,129.42

Finding the Fourth Proportional to 17,817.72, 26,730.23 and 6,129.42

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Solution

The fourth proportional to 17,817.72, 26,730.23 and 6,129.42 is: 9,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,817.72 : 26,730.23 = 6,129.42 : x
  2. Step 2: Convert to fraction form
    17,817.72/26,730.23 = 6,129.42/x
  3. Step 3: Cross multiply
    17,817.72x = 26,730.23 × 6,129.42
  4. Step 4: Simplify right side
    17,817.72x = 163,840,775.72
  5. Step 5: Solve for x
    x = 163,840,775.72/17,817.72
  6. Step 6: Final answer
    x = 9,195.38

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1.5x scale

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.