Home / 18,924.60-28,363.14-11,114.04

Finding the Fourth Proportional to 18,924.60, 28,363.14 and 11,114.04

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Solution

The fourth proportional to 18,924.60, 28,363.14 and 11,114.04 is: 16,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.60 : 28,363.14 = 11,114.04 : x
  2. Step 2: Convert to fraction form
    18,924.60/28,363.14 = 11,114.04/x
  3. Step 3: Cross multiply
    18,924.60x = 28,363.14 × 11,114.04
  4. Step 4: Simplify right side
    18,924.60x = 315,229,072.49
  5. Step 5: Solve for x
    x = 315,229,072.49/18,924.60
  6. Step 6: Final answer
    x = 16,657.11

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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.