Home / 14,239.66-21,378.94-9,562.72

Finding the Fourth Proportional to 14,239.66, 21,378.94 and 9,562.72

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Solution

The fourth proportional to 14,239.66, 21,378.94 and 9,562.72 is: 14,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.66 : 21,378.94 = 9,562.72 : x
  2. Step 2: Convert to fraction form
    14,239.66/21,378.94 = 9,562.72/x
  3. Step 3: Cross multiply
    14,239.66x = 21,378.94 × 9,562.72
  4. Step 4: Simplify right side
    14,239.66x = 204,440,817.12
  5. Step 5: Solve for x
    x = 204,440,817.12/14,239.66
  6. Step 6: Final answer
    x = 14,357.14

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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.