Home / 18,800.46-28,201.01-8,799.66

Finding the Fourth Proportional to 18,800.46, 28,201.01 and 8,799.66

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Solution

The fourth proportional to 18,800.46, 28,201.01 and 8,799.66 is: 13,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.46 : 28,201.01 = 8,799.66 : x
  2. Step 2: Convert to fraction form
    18,800.46/28,201.01 = 8,799.66/x
  3. Step 3: Cross multiply
    18,800.46x = 28,201.01 × 8,799.66
  4. Step 4: Simplify right side
    18,800.46x = 248,159,255.66
  5. Step 5: Solve for x
    x = 248,159,255.66/18,800.46
  6. Step 6: Final answer
    x = 13,199.64

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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.