Home / 22,562.61-31,136.67-12,491.97

Finding the Fourth Proportional to 22,562.61, 31,136.67 and 12,491.97

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Solution

The fourth proportional to 22,562.61, 31,136.67 and 12,491.97 is: 17,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.61 : 31,136.67 = 12,491.97 : x
  2. Step 2: Convert to fraction form
    22,562.61/31,136.67 = 12,491.97/x
  3. Step 3: Cross multiply
    22,562.61x = 31,136.67 × 12,491.97
  4. Step 4: Simplify right side
    22,562.61x = 388,958,347.54
  5. Step 5: Solve for x
    x = 388,958,347.54/22,562.61
  6. Step 6: Final answer
    x = 17,239.07

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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.