Home / 52,865.12-79,297.92-13,422.24

Finding the Fourth Proportional to 52,865.12, 79,297.92 and 13,422.24

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Solution

The fourth proportional to 52,865.12, 79,297.92 and 13,422.24 is: 20,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,865.12 : 79,297.92 = 13,422.24 : x
  2. Step 2: Convert to fraction form
    52,865.12/79,297.92 = 13,422.24/x
  3. Step 3: Cross multiply
    52,865.12x = 79,297.92 × 13,422.24
  4. Step 4: Simplify right side
    52,865.12x = 1,064,355,713.74
  5. Step 5: Solve for x
    x = 1,064,355,713.74/52,865.12
  6. Step 6: Final answer
    x = 20,133.42

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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.