Home / 35,908.60-53,867.34-12,220.12

Finding the Fourth Proportional to 35,908.60, 53,867.34 and 12,220.12

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Solution

The fourth proportional to 35,908.60, 53,867.34 and 12,220.12 is: 18,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.60 : 53,867.34 = 12,220.12 : x
  2. Step 2: Convert to fraction form
    35,908.60/53,867.34 = 12,220.12/x
  3. Step 3: Cross multiply
    35,908.60x = 53,867.34 × 12,220.12
  4. Step 4: Simplify right side
    35,908.60x = 658,265,358.88
  5. Step 5: Solve for x
    x = 658,265,358.88/35,908.60
  6. Step 6: Final answer
    x = 18,331.69

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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.