Home / 18,725.20-28,095.98-10,934.04

Finding the Fourth Proportional to 18,725.20, 28,095.98 and 10,934.04

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Solution

The fourth proportional to 18,725.20, 28,095.98 and 10,934.04 is: 16,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.20 : 28,095.98 = 10,934.04 : x
  2. Step 2: Convert to fraction form
    18,725.20/28,095.98 = 10,934.04/x
  3. Step 3: Cross multiply
    18,725.20x = 28,095.98 × 10,934.04
  4. Step 4: Simplify right side
    18,725.20x = 307,202,569.16
  5. Step 5: Solve for x
    x = 307,202,569.16/18,725.20
  6. Step 6: Final answer
    x = 16,405.84

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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.