Home / 19,411.69-26,781.96-11,341.66

Finding the Fourth Proportional to 19,411.69, 26,781.96 and 11,341.66

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Solution

The fourth proportional to 19,411.69, 26,781.96 and 11,341.66 is: 15,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.69 : 26,781.96 = 11,341.66 : x
  2. Step 2: Convert to fraction form
    19,411.69/26,781.96 = 11,341.66/x
  3. Step 3: Cross multiply
    19,411.69x = 26,781.96 × 11,341.66
  4. Step 4: Simplify right side
    19,411.69x = 303,751,884.45
  5. Step 5: Solve for x
    x = 303,751,884.45/19,411.69
  6. Step 6: Final answer
    x = 15,647.88

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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.