Home / 19,345.41-26,698.11-11,791.08

Finding the Fourth Proportional to 19,345.41, 26,698.11 and 11,791.08

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Solution

The fourth proportional to 19,345.41, 26,698.11 and 11,791.08 is: 16,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.41 : 26,698.11 = 11,791.08 : x
  2. Step 2: Convert to fraction form
    19,345.41/26,698.11 = 11,791.08/x
  3. Step 3: Cross multiply
    19,345.41x = 26,698.11 × 11,791.08
  4. Step 4: Simplify right side
    19,345.41x = 314,799,550.86
  5. Step 5: Solve for x
    x = 314,799,550.86/19,345.41
  6. Step 6: Final answer
    x = 16,272.57

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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.