Home / 17,691.43-26,533.15-5,212.30

Finding the Fourth Proportional to 17,691.43, 26,533.15 and 5,212.30

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Solution

The fourth proportional to 17,691.43, 26,533.15 and 5,212.30 is: 7,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.43 : 26,533.15 = 5,212.30 : x
  2. Step 2: Convert to fraction form
    17,691.43/26,533.15 = 5,212.30/x
  3. Step 3: Cross multiply
    17,691.43x = 26,533.15 × 5,212.30
  4. Step 4: Simplify right side
    17,691.43x = 138,298,737.75
  5. Step 5: Solve for x
    x = 138,298,737.75/17,691.43
  6. Step 6: Final answer
    x = 7,817.27

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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.