Home / 19,131.66-26,397.60-11,170.27

Finding the Fourth Proportional to 19,131.66, 26,397.60 and 11,170.27

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Solution

The fourth proportional to 19,131.66, 26,397.60 and 11,170.27 is: 15,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.66 : 26,397.60 = 11,170.27 : x
  2. Step 2: Convert to fraction form
    19,131.66/26,397.60 = 11,170.27/x
  3. Step 3: Cross multiply
    19,131.66x = 26,397.60 × 11,170.27
  4. Step 4: Simplify right side
    19,131.66x = 294,868,310.46
  5. Step 5: Solve for x
    x = 294,868,310.46/19,131.66
  6. Step 6: Final answer
    x = 15,412.58

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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.