Home / 52,965.12-79,447.56-13,522.20

Finding the Fourth Proportional to 52,965.12, 79,447.56 and 13,522.20

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Solution

The fourth proportional to 52,965.12, 79,447.56 and 13,522.20 is: 20,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,965.12 : 79,447.56 = 13,522.20 : x
  2. Step 2: Convert to fraction form
    52,965.12/79,447.56 = 13,522.20/x
  3. Step 3: Cross multiply
    52,965.12x = 79,447.56 × 13,522.20
  4. Step 4: Simplify right side
    52,965.12x = 1,074,305,795.83
  5. Step 5: Solve for x
    x = 1,074,305,795.83/52,965.12
  6. Step 6: Final answer
    x = 20,283.27

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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.