Home / 18,482.45-27,725.33-5,156.33

Finding the Fourth Proportional to 18,482.45, 27,725.33 and 5,156.33

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Solution

The fourth proportional to 18,482.45, 27,725.33 and 5,156.33 is: 7,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.45 : 27,725.33 = 5,156.33 : x
  2. Step 2: Convert to fraction form
    18,482.45/27,725.33 = 5,156.33/x
  3. Step 3: Cross multiply
    18,482.45x = 27,725.33 × 5,156.33
  4. Step 4: Simplify right side
    18,482.45x = 142,960,825.10
  5. Step 5: Solve for x
    x = 142,960,825.10/18,482.45
  6. Step 6: Final answer
    x = 7,734.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.