Home / 19,564.20-26,991.99-12,494.70

Finding the Fourth Proportional to 19,564.20, 26,991.99 and 12,494.70

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Solution

The fourth proportional to 19,564.20, 26,991.99 and 12,494.70 is: 17,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.20 : 26,991.99 = 12,494.70 : x
  2. Step 2: Convert to fraction form
    19,564.20/26,991.99 = 12,494.70/x
  3. Step 3: Cross multiply
    19,564.20x = 26,991.99 × 12,494.70
  4. Step 4: Simplify right side
    19,564.20x = 337,256,817.45
  5. Step 5: Solve for x
    x = 337,256,817.45/19,564.20
  6. Step 6: Final answer
    x = 17,238.47

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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.