Home / 18,918.66-26,110.35-11,466.66

Finding the Fourth Proportional to 18,918.66, 26,110.35 and 11,466.66

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Solution

The fourth proportional to 18,918.66, 26,110.35 and 11,466.66 is: 15,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918.66 : 26,110.35 = 11,466.66 : x
  2. Step 2: Convert to fraction form
    18,918.66/26,110.35 = 11,466.66/x
  3. Step 3: Cross multiply
    18,918.66x = 26,110.35 × 11,466.66
  4. Step 4: Simplify right side
    18,918.66x = 299,398,505.93
  5. Step 5: Solve for x
    x = 299,398,505.93/18,918.66
  6. Step 6: Final answer
    x = 15,825.57

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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.