Home / 36,011.60-53,998.20-15,211.60

Finding the Fourth Proportional to 36,011.60, 53,998.20 and 15,211.60

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Solution

The fourth proportional to 36,011.60, 53,998.20 and 15,211.60 is: 22,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,011.60 : 53,998.20 = 15,211.60 : x
  2. Step 2: Convert to fraction form
    36,011.60/53,998.20 = 15,211.60/x
  3. Step 3: Cross multiply
    36,011.60x = 53,998.20 × 15,211.60
  4. Step 4: Simplify right side
    36,011.60x = 821,399,019.12
  5. Step 5: Solve for x
    x = 821,399,019.12/36,011.60
  6. Step 6: Final answer
    x = 22,809.29

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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.