Home / 13,800.05-20,688.46-6,002.99

Finding the Fourth Proportional to 13,800.05, 20,688.46 and 6,002.99

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Solution

The fourth proportional to 13,800.05, 20,688.46 and 6,002.99 is: 8,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.05 : 20,688.46 = 6,002.99 : x
  2. Step 2: Convert to fraction form
    13,800.05/20,688.46 = 6,002.99/x
  3. Step 3: Cross multiply
    13,800.05x = 20,688.46 × 6,002.99
  4. Step 4: Simplify right side
    13,800.05x = 124,192,618.50
  5. Step 5: Solve for x
    x = 124,192,618.50/13,800.05
  6. Step 6: Final answer
    x = 8,999.43

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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.