Home / 28,252.18-42,380.74-10,483.04

Finding the Fourth Proportional to 28,252.18, 42,380.74 and 10,483.04

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Solution

The fourth proportional to 28,252.18, 42,380.74 and 10,483.04 is: 15,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.18 : 42,380.74 = 10,483.04 : x
  2. Step 2: Convert to fraction form
    28,252.18/42,380.74 = 10,483.04/x
  3. Step 3: Cross multiply
    28,252.18x = 42,380.74 × 10,483.04
  4. Step 4: Simplify right side
    28,252.18x = 444,278,992.65
  5. Step 5: Solve for x
    x = 444,278,992.65/28,252.18
  6. Step 6: Final answer
    x = 15,725.48

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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.