Home / 18,848.09-26,010.45-11,778.59

Finding the Fourth Proportional to 18,848.09, 26,010.45 and 11,778.59

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Solution

The fourth proportional to 18,848.09, 26,010.45 and 11,778.59 is: 16,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.09 : 26,010.45 = 11,778.59 : x
  2. Step 2: Convert to fraction form
    18,848.09/26,010.45 = 11,778.59/x
  3. Step 3: Cross multiply
    18,848.09x = 26,010.45 × 11,778.59
  4. Step 4: Simplify right side
    18,848.09x = 306,366,296.21
  5. Step 5: Solve for x
    x = 306,366,296.21/18,848.09
  6. Step 6: Final answer
    x = 16,254.51

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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.