Home / 17,679.18-26,522.98-5,199.61

Finding the Fourth Proportional to 17,679.18, 26,522.98 and 5,199.61

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Solution

The fourth proportional to 17,679.18, 26,522.98 and 5,199.61 is: 7,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.18 : 26,522.98 = 5,199.61 : x
  2. Step 2: Convert to fraction form
    17,679.18/26,522.98 = 5,199.61/x
  3. Step 3: Cross multiply
    17,679.18x = 26,522.98 × 5,199.61
  4. Step 4: Simplify right side
    17,679.18x = 137,908,993.42
  5. Step 5: Solve for x
    x = 137,908,993.42/17,679.18
  6. Step 6: Final answer
    x = 7,800.65

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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.