Home / 19,149.32-26,425.21-11,081.70

Finding the Fourth Proportional to 19,149.32, 26,425.21 and 11,081.70

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Solution

The fourth proportional to 19,149.32, 26,425.21 and 11,081.70 is: 15,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.32 : 26,425.21 = 11,081.70 : x
  2. Step 2: Convert to fraction form
    19,149.32/26,425.21 = 11,081.70/x
  3. Step 3: Cross multiply
    19,149.32x = 26,425.21 × 11,081.70
  4. Step 4: Simplify right side
    19,149.32x = 292,836,062.12
  5. Step 5: Solve for x
    x = 292,836,062.12/19,149.32
  6. Step 6: Final answer
    x = 15,292.24

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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.