Home / 17,119.42-25,690.14-8,349.55

Finding the Fourth Proportional to 17,119.42, 25,690.14 and 8,349.55

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Solution

The fourth proportional to 17,119.42, 25,690.14 and 8,349.55 is: 12,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.42 : 25,690.14 = 8,349.55 : x
  2. Step 2: Convert to fraction form
    17,119.42/25,690.14 = 8,349.55/x
  3. Step 3: Cross multiply
    17,119.42x = 25,690.14 × 8,349.55
  4. Step 4: Simplify right side
    17,119.42x = 214,501,044.21
  5. Step 5: Solve for x
    x = 214,501,044.21/17,119.42
  6. Step 6: Final answer
    x = 12,529.69

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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.