Home / 19,180.80-26,469.16-10,682.68

Finding the Fourth Proportional to 19,180.80, 26,469.16 and 10,682.68

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Solution

The fourth proportional to 19,180.80, 26,469.16 and 10,682.68 is: 14,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.80 : 26,469.16 = 10,682.68 : x
  2. Step 2: Convert to fraction form
    19,180.80/26,469.16 = 10,682.68/x
  3. Step 3: Cross multiply
    19,180.80x = 26,469.16 × 10,682.68
  4. Step 4: Simplify right side
    19,180.80x = 282,761,566.15
  5. Step 5: Solve for x
    x = 282,761,566.15/19,180.80
  6. Step 6: Final answer
    x = 14,741.91

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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.