Home / 18,511.94-25,538.37-10,851.33

Finding the Fourth Proportional to 18,511.94, 25,538.37 and 10,851.33

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Solution

The fourth proportional to 18,511.94, 25,538.37 and 10,851.33 is: 14,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.94 : 25,538.37 = 10,851.33 : x
  2. Step 2: Convert to fraction form
    18,511.94/25,538.37 = 10,851.33/x
  3. Step 3: Cross multiply
    18,511.94x = 25,538.37 × 10,851.33
  4. Step 4: Simplify right side
    18,511.94x = 277,125,335.61
  5. Step 5: Solve for x
    x = 277,125,335.61/18,511.94
  6. Step 6: Final answer
    x = 14,970.08

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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.