Home / 18,269.08-25,193.84-11,100.17

Finding the Fourth Proportional to 18,269.08, 25,193.84 and 11,100.17

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Solution

The fourth proportional to 18,269.08, 25,193.84 and 11,100.17 is: 15,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.08 : 25,193.84 = 11,100.17 : x
  2. Step 2: Convert to fraction form
    18,269.08/25,193.84 = 11,100.17/x
  3. Step 3: Cross multiply
    18,269.08x = 25,193.84 × 11,100.17
  4. Step 4: Simplify right side
    18,269.08x = 279,655,914.44
  5. Step 5: Solve for x
    x = 279,655,914.44/18,269.08
  6. Step 6: Final answer
    x = 15,307.61

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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.