Home / 14,234.67-21,364.92-7,219.58

Finding the Fourth Proportional to 14,234.67, 21,364.92 and 7,219.58

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Solution

The fourth proportional to 14,234.67, 21,364.92 and 7,219.58 is: 10,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.67 : 21,364.92 = 7,219.58 : x
  2. Step 2: Convert to fraction form
    14,234.67/21,364.92 = 7,219.58/x
  3. Step 3: Cross multiply
    14,234.67x = 21,364.92 × 7,219.58
  4. Step 4: Simplify right side
    14,234.67x = 154,245,642.31
  5. Step 5: Solve for x
    x = 154,245,642.31/14,234.67
  6. Step 6: Final answer
    x = 10,835.91

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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.