Home / 19,351.38-26,700.22-12,275.22

Finding the Fourth Proportional to 19,351.38, 26,700.22 and 12,275.22

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Solution

The fourth proportional to 19,351.38, 26,700.22 and 12,275.22 is: 16,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.38 : 26,700.22 = 12,275.22 : x
  2. Step 2: Convert to fraction form
    19,351.38/26,700.22 = 12,275.22/x
  3. Step 3: Cross multiply
    19,351.38x = 26,700.22 × 12,275.22
  4. Step 4: Simplify right side
    19,351.38x = 327,751,074.55
  5. Step 5: Solve for x
    x = 327,751,074.55/19,351.38
  6. Step 6: Final answer
    x = 16,936.83

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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.