Home / 52,799.50-79,199.28-12,818.55

Finding the Fourth Proportional to 52,799.50, 79,199.28 and 12,818.55

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Solution

The fourth proportional to 52,799.50, 79,199.28 and 12,818.55 is: 19,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,799.50 : 79,199.28 = 12,818.55 : x
  2. Step 2: Convert to fraction form
    52,799.50/79,199.28 = 12,818.55/x
  3. Step 3: Cross multiply
    52,799.50x = 79,199.28 × 12,818.55
  4. Step 4: Simplify right side
    52,799.50x = 1,015,220,245.67
  5. Step 5: Solve for x
    x = 1,015,220,245.67/52,799.50
  6. Step 6: Final answer
    x = 19,227.84

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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.