Home / 19,394.78-26,767.26-11,437.74

Finding the Fourth Proportional to 19,394.78, 26,767.26 and 11,437.74

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Solution

The fourth proportional to 19,394.78, 26,767.26 and 11,437.74 is: 15,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.78 : 26,767.26 = 11,437.74 : x
  2. Step 2: Convert to fraction form
    19,394.78/26,767.26 = 11,437.74/x
  3. Step 3: Cross multiply
    19,394.78x = 26,767.26 × 11,437.74
  4. Step 4: Simplify right side
    19,394.78x = 306,156,960.39
  5. Step 5: Solve for x
    x = 306,156,960.39/19,394.78
  6. Step 6: Final answer
    x = 15,785.54

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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.