Home / 36,819.68-55,229.08-13,445.84

Finding the Fourth Proportional to 36,819.68, 55,229.08 and 13,445.84

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Solution

The fourth proportional to 36,819.68, 55,229.08 and 13,445.84 is: 20,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.68 : 55,229.08 = 13,445.84 : x
  2. Step 2: Convert to fraction form
    36,819.68/55,229.08 = 13,445.84/x
  3. Step 3: Cross multiply
    36,819.68x = 55,229.08 × 13,445.84
  4. Step 4: Simplify right side
    36,819.68x = 742,601,373.03
  5. Step 5: Solve for x
    x = 742,601,373.03/36,819.68
  6. Step 6: Final answer
    x = 20,168.60

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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.