Home / 19,573.36-26,999.94-12,491.80

Finding the Fourth Proportional to 19,573.36, 26,999.94 and 12,491.80

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Solution

The fourth proportional to 19,573.36, 26,999.94 and 12,491.80 is: 17,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.36 : 26,999.94 = 12,491.80 : x
  2. Step 2: Convert to fraction form
    19,573.36/26,999.94 = 12,491.80/x
  3. Step 3: Cross multiply
    19,573.36x = 26,999.94 × 12,491.80
  4. Step 4: Simplify right side
    19,573.36x = 337,277,850.49
  5. Step 5: Solve for x
    x = 337,277,850.49/19,573.36
  6. Step 6: Final answer
    x = 17,231.47

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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.