Home / 52,675.20-79,012.80-13,233.60

Finding the Fourth Proportional to 52,675.20, 79,012.80 and 13,233.60

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Solution

The fourth proportional to 52,675.20, 79,012.80 and 13,233.60 is: 19,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,675.20 : 79,012.80 = 13,233.60 : x
  2. Step 2: Convert to fraction form
    52,675.20/79,012.80 = 13,233.60/x
  3. Step 3: Cross multiply
    52,675.20x = 79,012.80 × 13,233.60
  4. Step 4: Simplify right side
    52,675.20x = 1,045,623,790.08
  5. Step 5: Solve for x
    x = 1,045,623,790.08/52,675.20
  6. Step 6: Final answer
    x = 19,850.40

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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.