Home / 19,415.60-26,761.27-13,743.08

Finding the Fourth Proportional to 19,415.60, 26,761.27 and 13,743.08

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Solution

The fourth proportional to 19,415.60, 26,761.27 and 13,743.08 is: 18,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.60 : 26,761.27 = 13,743.08 : x
  2. Step 2: Convert to fraction form
    19,415.60/26,761.27 = 13,743.08/x
  3. Step 3: Cross multiply
    19,415.60x = 26,761.27 × 13,743.08
  4. Step 4: Simplify right side
    19,415.60x = 367,782,106.35
  5. Step 5: Solve for x
    x = 367,782,106.35/19,415.60
  6. Step 6: Final answer
    x = 18,942.61

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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.