Home / 22,562.94-31,136.44-12,491.16

Finding the Fourth Proportional to 22,562.94, 31,136.44 and 12,491.16

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Solution

The fourth proportional to 22,562.94, 31,136.44 and 12,491.16 is: 17,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.94 : 31,136.44 = 12,491.16 : x
  2. Step 2: Convert to fraction form
    22,562.94/31,136.44 = 12,491.16/x
  3. Step 3: Cross multiply
    22,562.94x = 31,136.44 × 12,491.16
  4. Step 4: Simplify right side
    22,562.94x = 388,930,253.87
  5. Step 5: Solve for x
    x = 388,930,253.87/22,562.94
  6. Step 6: Final answer
    x = 17,237.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.