Home / 18,897.88-26,077.49-11,135.46

Finding the Fourth Proportional to 18,897.88, 26,077.49 and 11,135.46

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Solution

The fourth proportional to 18,897.88, 26,077.49 and 11,135.46 is: 15,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.88 : 26,077.49 = 11,135.46 : x
  2. Step 2: Convert to fraction form
    18,897.88/26,077.49 = 11,135.46/x
  3. Step 3: Cross multiply
    18,897.88x = 26,077.49 × 11,135.46
  4. Step 4: Simplify right side
    18,897.88x = 290,384,791.12
  5. Step 5: Solve for x
    x = 290,384,791.12/18,897.88
  6. Step 6: Final answer
    x = 15,366.00

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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.