Home / 19,448.90-26,832.20-12,738.27

Finding the Fourth Proportional to 19,448.90, 26,832.20 and 12,738.27

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Solution

The fourth proportional to 19,448.90, 26,832.20 and 12,738.27 is: 17,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.90 : 26,832.20 = 12,738.27 : x
  2. Step 2: Convert to fraction form
    19,448.90/26,832.20 = 12,738.27/x
  3. Step 3: Cross multiply
    19,448.90x = 26,832.20 × 12,738.27
  4. Step 4: Simplify right side
    19,448.90x = 341,795,744.60
  5. Step 5: Solve for x
    x = 341,795,744.60/19,448.90
  6. Step 6: Final answer
    x = 17,574.04

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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.