Home / 13,350.20-20,027.10-4,587.80

Finding the Fourth Proportional to 13,350.20, 20,027.10 and 4,587.80

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Solution

The fourth proportional to 13,350.20, 20,027.10 and 4,587.80 is: 6,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.20 : 20,027.10 = 4,587.80 : x
  2. Step 2: Convert to fraction form
    13,350.20/20,027.10 = 4,587.80/x
  3. Step 3: Cross multiply
    13,350.20x = 20,027.10 × 4,587.80
  4. Step 4: Simplify right side
    13,350.20x = 91,880,329.38
  5. Step 5: Solve for x
    x = 91,880,329.38/13,350.20
  6. Step 6: Final answer
    x = 6,882.32

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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.