Home / 17,605.42-26,412.46-5,125.55

Finding the Fourth Proportional to 17,605.42, 26,412.46 and 5,125.55

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Solution

The fourth proportional to 17,605.42, 26,412.46 and 5,125.55 is: 7,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.42 : 26,412.46 = 5,125.55 : x
  2. Step 2: Convert to fraction form
    17,605.42/26,412.46 = 5,125.55/x
  3. Step 3: Cross multiply
    17,605.42x = 26,412.46 × 5,125.55
  4. Step 4: Simplify right side
    17,605.42x = 135,378,388.05
  5. Step 5: Solve for x
    x = 135,378,388.05/17,605.42
  6. Step 6: Final answer
    x = 7,689.59

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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.