Home / 14,491.50-21,722.53-8,238.58

Finding the Fourth Proportional to 14,491.50, 21,722.53 and 8,238.58

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Solution

The fourth proportional to 14,491.50, 21,722.53 and 8,238.58 is: 12,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.50 : 21,722.53 = 8,238.58 : x
  2. Step 2: Convert to fraction form
    14,491.50/21,722.53 = 8,238.58/x
  3. Step 3: Cross multiply
    14,491.50x = 21,722.53 × 8,238.58
  4. Step 4: Simplify right side
    14,491.50x = 178,962,801.21
  5. Step 5: Solve for x
    x = 178,962,801.21/14,491.50
  6. Step 6: Final answer
    x = 12,349.50

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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.