Home / 52,961.10-79,441.56-13,518.20

Finding the Fourth Proportional to 52,961.10, 79,441.56 and 13,518.20

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Solution

The fourth proportional to 52,961.10, 79,441.56 and 13,518.20 is: 20,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.10 : 79,441.56 = 13,518.20 : x
  2. Step 2: Convert to fraction form
    52,961.10/79,441.56 = 13,518.20/x
  3. Step 3: Cross multiply
    52,961.10x = 79,441.56 × 13,518.20
  4. Step 4: Simplify right side
    52,961.10x = 1,073,906,896.39
  5. Step 5: Solve for x
    x = 1,073,906,896.39/52,961.10
  6. Step 6: Final answer
    x = 20,277.28

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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.