Home / 14,211.46-21,317.18-3,823.21

Finding the Fourth Proportional to 14,211.46, 21,317.18 and 3,823.21

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Solution

The fourth proportional to 14,211.46, 21,317.18 and 3,823.21 is: 5,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.46 : 21,317.18 = 3,823.21 : x
  2. Step 2: Convert to fraction form
    14,211.46/21,317.18 = 3,823.21/x
  3. Step 3: Cross multiply
    14,211.46x = 21,317.18 × 3,823.21
  4. Step 4: Simplify right side
    14,211.46x = 81,500,036.63
  5. Step 5: Solve for x
    x = 81,500,036.63/14,211.46
  6. Step 6: Final answer
    x = 5,734.81

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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.