Home / 17,438.76-26,143.44-7,570.62

Finding the Fourth Proportional to 17,438.76, 26,143.44 and 7,570.62

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Solution

The fourth proportional to 17,438.76, 26,143.44 and 7,570.62 is: 11,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.76 : 26,143.44 = 7,570.62 : x
  2. Step 2: Convert to fraction form
    17,438.76/26,143.44 = 7,570.62/x
  3. Step 3: Cross multiply
    17,438.76x = 26,143.44 × 7,570.62
  4. Step 4: Simplify right side
    17,438.76x = 197,922,049.73
  5. Step 5: Solve for x
    x = 197,922,049.73/17,438.76
  6. Step 6: Final answer
    x = 11,349.55

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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.