Home / 19,084.64-26,331.41-12,370.55

Finding the Fourth Proportional to 19,084.64, 26,331.41 and 12,370.55

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Solution

The fourth proportional to 19,084.64, 26,331.41 and 12,370.55 is: 17,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,084.64 : 26,331.41 = 12,370.55 : x
  2. Step 2: Convert to fraction form
    19,084.64/26,331.41 = 12,370.55/x
  3. Step 3: Cross multiply
    19,084.64x = 26,331.41 × 12,370.55
  4. Step 4: Simplify right side
    19,084.64x = 325,734,023.98
  5. Step 5: Solve for x
    x = 325,734,023.98/19,084.64
  6. Step 6: Final answer
    x = 17,067.86

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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.